b5c94910ac
like /tools/mspsim. This is a very simple modification that affects a very large number of files in Contiki: Cooja, /platform/cooja, Collect-view, Coffe-manager, and Cooja simulation files (.csc). I've gone through Contiki to update all references I could find. Nevertheless, this commit will likely break external dependencies, like saved Cooja simulation files.
538 lines
17 KiB
Java
538 lines
17 KiB
Java
/*
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* Copyright (c) 2006, Swedish Institute of Computer Science.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*/
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package org.contikios.cooja;
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import java.io.*;
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import java.util.*;
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import org.apache.log4j.Logger;
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/**
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* A project configuration may hold the configuration for one or several project
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* directories as well as a general simulator configuration.
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*
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* The configuration for a project directory may for example consist of which
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* plugins, interfaces and processes that the specific project directory supplies.
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* Each project directory configuration is read from the property file cooja.config, a
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* file which is required in each project directory.
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*
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* Values can be fetched as String, Boolean, Integer, Double or String array.
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*
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* Several configurations can be merged, together forming a final overall
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* configuration. The order of the how configurations are merged matter - later
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* values will overwrite earlier. For example merging two configurations with
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* the key 'SOMEKEY' in the following order:
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*
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* SOMEKEY = a b c
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*
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* SOMEKEY = d e
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*
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* will result in the final value "d e".
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*
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* If a specific value should be extended instead of overwritten, the value must
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* start with a single space-surrounded '+'. For example, merging two
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* configurations with the key as above in the following order:
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*
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* SOMEKEY = a b c
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*
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* SOMEKEY = + d e
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*
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* will result in the final value "a b c d e".
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*
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* The simulator will hold a merged project configuration, depending on which
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* project directories are used. Additionally. each mote type may also have a
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* configuration of its own, that differs from the general simulator
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* configuration.
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*
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* Often, but not necessarily, keys are named depending on which class is
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* associated with the information. For example, let's say a battery interface
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* wants to store its initial capacity (a double) using this approach. Data
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* stored in the external configuration file can look like the following:
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* org.contikios.cooja.interfaces.Battery.initial_capacity 54.123321
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*
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* This value is then be read by: myMoteTypeConfig.getDoubleValue(Battery.class,
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* "initial_capacity");
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*
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* @author Fredrik Osterlind
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*/
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public class ProjectConfig {
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private static Logger logger = Logger.getLogger(ProjectConfig.class);
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private Properties myConfig = null;
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private Vector<File> myProjectDirHistory = null;
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/**
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* Creates new project configuration.
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*
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* @param useDefault
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* If true the default configuration will be loaded
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* @throws FileNotFoundException
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* If file was not found
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* @throws IOException
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* Stream read error
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*/
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public ProjectConfig(boolean useDefault) throws IOException,
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FileNotFoundException {
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// Create empty configuration
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myConfig = new Properties();
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myProjectDirHistory = new Vector<File>();
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if (useDefault) {
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InputStream input = Cooja.class
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.getResourceAsStream(Cooja.PROJECT_DEFAULT_CONFIG_FILENAME);
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if (input != null) {
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try {
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appendConfigStream(input);
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} finally {
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input.close();
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}
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} else {
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throw new FileNotFoundException(Cooja.PROJECT_DEFAULT_CONFIG_FILENAME);
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}
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}
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}
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/**
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* Appends the given project directory's config file. This method also saves a
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* local history of which project directories has been loaded.
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*
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* @param projectDir
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* Project directory
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* @return True if loaded OK
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* @throws FileNotFoundException
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* If file was not found
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* @throws IOException
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* Stream read error
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*/
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public boolean appendProjectDir(File projectDir)
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throws FileNotFoundException, IOException {
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if (projectDir == null) {
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throw new FileNotFoundException("No project directory specified");
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}
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if (!projectDir.exists()) {
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throw new FileNotFoundException("Project directory does not exist: " + projectDir.getAbsolutePath());
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}
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File projectConfig = new File(projectDir.getPath(), Cooja.PROJECT_CONFIG_FILENAME);
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if (!projectConfig.exists()) {
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throw new FileNotFoundException("Project config does not exist: " + projectConfig.getAbsolutePath());
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}
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myProjectDirHistory.add(projectDir);
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return appendConfigFile(projectConfig);
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}
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/**
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* Returns the project directory earlier appended to this configuration that
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* defined the given key. If the key is of an array format and the given array
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* element is non-null, then the project directory that added this element will be
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* returned instead. If no such project directory can be found null is returned
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* instead.
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*
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* @param callingClass
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* Class which value belong to
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* @param key
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* Key
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* @param arrayElement
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* Value or array element
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* @return Project directory defining arguments or null
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*/
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public File getUserProjectDefining(Class callingClass, String key, String arrayElement) {
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// Check that key really exists in current config
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if (getStringValue(callingClass, key, null) == null) {
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return null;
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}
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// Check that element really exists, if any
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if (arrayElement != null) {
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String[] array = getStringArrayValue(callingClass, key);
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boolean foundValue = false;
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for (String element : array) {
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if (element.equals(arrayElement)) {
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foundValue = true;
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}
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}
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if (!foundValue) {
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return null;
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}
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}
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// Search in all project directory in reversed order
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try {
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ProjectConfig remadeConfig = new ProjectConfig(false);
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for (int i=myProjectDirHistory.size()-1; i >= 0; i--) {
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remadeConfig.appendProjectDir(myProjectDirHistory.get(i));
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if (arrayElement != null) {
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// Look for array
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String[] array = remadeConfig.getStringArrayValue(callingClass, key);
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for (String element : array) {
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if (element.equals(arrayElement)) {
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return myProjectDirHistory.get(i);
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}
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}
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} else {
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// Look for key
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if (remadeConfig.getStringValue(callingClass, key, null) != null) {
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return myProjectDirHistory.get(i);
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}
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}
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}
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} catch (Exception e) {
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logger.fatal("Exception when searching in project directory history: " + e);
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return null;
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}
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return null;
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}
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/**
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* Loads the given property file and appends it to the current configuration.
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* If a property already exists it will be overwritten, unless the new value
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* begins with a '+' in which case the old value will be extended.
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*
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* WARNING! The project directory history will not be saved if this method is
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* called, instead the appendUserPlatform method should be used.
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*
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* @param propertyFile
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* Property file to read
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* @return True if file was read ok, false otherwise
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* @throws FileNotFoundException
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* If file was not found
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* @throws IOException
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* Stream read error
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*/
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public boolean appendConfigFile(File propertyFile)
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throws FileNotFoundException, IOException {
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if (!propertyFile.exists()) {
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logger.warn("Trying to import non-existant project configuration: " + propertyFile.toString());
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return true;
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}
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FileInputStream in = new FileInputStream(propertyFile);
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return appendConfigStream(myConfig, in);
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}
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/**
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* Reads properties from the given stream and appends them to the current
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* configuration. If a property already exists it will be overwritten, unless
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* the new value begins with a '+' in which case the old value will be
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* extended.
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*
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* WARNING! The project directory history will not be saved if this method is
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* called, instead the appendUserPlatform method should be used.
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*
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* @param configFileStream
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* Stream to read from
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* @return True if stream was read ok, false otherwise
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* @throws IOException
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* Stream read error
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*/
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public boolean appendConfigStream(InputStream configFileStream)
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throws IOException {
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return appendConfigStream(myConfig, configFileStream);
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}
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private static boolean appendConfigStream(Properties currentValues,
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InputStream configFileStream) throws IOException {
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// Read from stream
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Properties newProps = new Properties();
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newProps.load(configFileStream);
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configFileStream.close();
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// Read new properties
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Enumeration en = newProps.keys();
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while (en.hasMoreElements()) {
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String key = (String) en.nextElement();
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String property = newProps.getProperty(key);
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if (property.startsWith("+ ")) {
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if (currentValues.getProperty(key) != null) {
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currentValues.setProperty(key, currentValues.getProperty(key) + " "
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+ property.substring(1).trim());
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} else {
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currentValues.setProperty(key, property.substring(1).trim());
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}
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} else {
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currentValues.setProperty(key, property);
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}
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}
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return true;
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}
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public boolean appendConfig(ProjectConfig config) {
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Enumeration<String> propertyNames = config.getPropertyNames();
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while (propertyNames.hasMoreElements()) {
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String key = propertyNames.nextElement();
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String property = config.getStringValue(key);
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if (property.startsWith("+ ")) {
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if (myConfig.getProperty(key) != null) {
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myConfig.setProperty(key, myConfig.getProperty(key) + " "
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+ property.substring(1).trim());
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} else {
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myConfig.setProperty(key, property.substring(1).trim());
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}
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} else {
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myConfig.setProperty(key, property);
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}
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}
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return true;
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}
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/**
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* @return All property names in configuration
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*/
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public Enumeration<String> getPropertyNames() {
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return (Enumeration<String>) myConfig.propertyNames();
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}
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/**
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* Get string value with given id.
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*
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* @param callingClass
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* Class which value belongs to
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* @param id
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* Id of value to return
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* @param defaultValue
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* Default value to return if id is not found
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* @return Value or defaultValue if id wasn't found
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*/
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public String getStringValue(Class callingClass, String id,
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String defaultValue) {
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return getStringValue(myConfig, callingClass, id, defaultValue);
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}
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private static String getStringValue(Properties currentValues,
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Class callingClass, String id, String defaultValue) {
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String val = currentValues.getProperty(callingClass.getName() + "." + id);
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if (val == null) {
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/*logger.warn("Could not find key named '" + callingClass.getName() + "."
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+ id + "'");*/
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return defaultValue;
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}
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return val;
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}
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/**
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* Returns value of given name.
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*
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* @param name
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* Name
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* @return Value as string
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*/
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public String getStringValue(String name) {
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if (!myConfig.containsKey(name)) {
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/*logger.debug("Could not find key named '" + name + "'");*/
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return null;
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}
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return myConfig.getProperty(name);
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}
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/**
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* Get string value with given id.
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*
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* @param callingClass
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* Class which value belongs to
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* @param id
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* Id of value to return
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* @return Value or null if id wasn't found
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*/
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public String getStringValue(Class callingClass, String id) {
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return getStringValue(callingClass, id, null);
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}
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/**
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* Get string array value with given id.
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*
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* @param callingClass
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* Class which value belongs to
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* @param id
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* Id of value to return
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* @return Value or null if id wasn't found
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*/
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public String[] getStringArrayValue(Class callingClass, String id) {
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String stringVal = getStringValue(callingClass, id, null);
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if (stringVal == null) {
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return new String[0];
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}
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return getStringValue(callingClass, id, "").split(" ");
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}
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/**
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* Get string value with given id.
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*
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* @param callingClass
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* Class which value belongs to
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* @param id
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* Id of value to return
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* @return Value or null if id wasn't found
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*/
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public String getValue(Class callingClass, String id) {
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return getStringValue(callingClass, id);
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}
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/**
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* Get string array value with given id.
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*
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* @param id
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* Id of value to return
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* @return Value or null if id wasn't found
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*/
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public String[] getStringArrayValue(String id) {
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String stringVal = getStringValue(id);
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if (stringVal == null) {
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return new String[0];
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}
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return getStringValue(id).split(" ");
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}
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/**
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* Get integer value with given id.
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*
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* @param callingClass
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* Class which value belongs to
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* @param id
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* Id of value to return
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* @param defaultValue
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* Default value to return if id is not found
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* @return Value or defaultValue if id wasn't found
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*/
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public int getIntegerValue(Class callingClass, String id, int defaultValue) {
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String str = getStringValue(callingClass, id);
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if (str == null) {
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return defaultValue;
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}
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return Integer.parseInt(str);
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}
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/**
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* Get integer value with given id.
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*
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* @param callingClass
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* Class which value belongs to
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* @param id
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* Id of value to return
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* @return Value or 0 if id wasn't found
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*/
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public int getIntegerValue(Class callingClass, String id) {
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return getIntegerValue(callingClass, id, 0);
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}
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/**
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* Get double value with given id.
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*
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* @param callingClass
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* Class which value belongs to
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* @param id
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* Id of value to return
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* @param defaultValue
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* Default value to return if id is not found
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* @return Value or defaultValue if id wasn't found
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*/
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public double getDoubleValue(Class callingClass, String id,
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double defaultValue) {
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String str = getStringValue(callingClass, id);
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if (str == null) {
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return defaultValue;
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}
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return Double.parseDouble(str);
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}
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/**
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* Get double value with given id.
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*
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* @param callingClass
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* Class which value belongs to
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* @param id
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* Id of value to return
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* @return Value or 0.0 if id wasn't found
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*/
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public double getDoubleValue(Class callingClass, String id) {
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return getDoubleValue(callingClass, id, 0.0);
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}
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/**
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* Get boolean value with given id.
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*
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* @param callingClass
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* Class which value belongs to
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* @param id
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* Id of value to return
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* @param defaultValue
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* Default value to return if id is not found
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* @return Value or defaultValue if id wasn't found
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*/
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public boolean getBooleanValue(Class callingClass, String id,
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boolean defaultValue) {
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String str = getStringValue(callingClass, id);
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if (str == null) {
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return defaultValue;
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}
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return Boolean.parseBoolean(str);
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}
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/**
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* Get boolean value with given id.
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*
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* @param callingClass
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* Class which value belongs to
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* @param id
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* Id of value to return
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* @return Value or false if id wasn't found
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*/
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public boolean getBooleanValue(Class callingClass, String id) {
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return getBooleanValue(callingClass, id, false);
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}
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public ProjectConfig clone() {
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try {
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ProjectConfig clone = new ProjectConfig(false);
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clone.myConfig = (Properties) this.myConfig.clone();
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clone.myProjectDirHistory = (Vector<File>) this.myProjectDirHistory.clone();
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return clone;
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} catch (Exception e) {
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return null;
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}
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}
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}
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