Java tutorial
/* * Copyright (c) 2011 The Regents of the University of California. * All rights reserved. * * * Permission is hereby granted, without written agreement and without * license or royalty fees, to use, copy, modify, and distribute this * software and its documentation for any purpose, provided that the above * copyright notice and the following two paragraphs appear in all copies * of this software. * * IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY * FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF * THE UNIVERSITY OF CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES, * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE * PROVIDED HEREUNDER IS ON AN "AS IS" BASIS, AND THE UNIVERSITY OF * CALIFORNIA HAS NO OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, * ENHANCEMENTS, OR MODIFICATIONS. * */ package org.kepler.configuration; import java.io.File; import java.util.ArrayList; import java.util.HashMap; import java.util.Iterator; import java.util.List; import java.util.Map; import org.apache.commons.configuration.XMLConfiguration; import org.kepler.build.modules.Module; /** * Created by David Welker. */ public class ConfigurationTest { public static String trimmedKey(String key) { if (!key.contains(".")) return key; return key.substring(key.indexOf('.') + 1, key.length()); } public static boolean addMatch(List<String> addKeys, List<String> addedKeys, XMLConfiguration addXmlConfig, XMLConfiguration addedXmlConfig) { if (addKeys.size() != addedKeys.size()) return false; HashMap<String, String> matchedKeys = new HashMap<String, String>(); for (String addKey : addKeys) { boolean keyMatchFound = false; for (String addedKey : addedKeys) { if (trimmedKey(addKey).equals(trimmedKey(addedKey))) { keyMatchFound = true; matchedKeys.put(addKey, addedKey); } } if (!keyMatchFound) return false; } for (Map.Entry<String, String> entry : matchedKeys.entrySet()) { Object addProperty = addXmlConfig.getProperty(entry.getKey()); Object addedProperty = addedXmlConfig.getProperty(entry.getValue()); if (!addProperty.equals(addedProperty)) return false; } return true; } public static void addTest() throws Exception { System.out.println("AddTest"); File configDir = Module.make("configuration-manager").getConfigurationsDir(); File configDirectivesDir = new File(configDir.getParentFile(), "config-directives"); System.out.println(configDir); System.out.println(configDirectivesDir); System.out.println(); File originalXml = new File(configDir, "original.xml"); File addXml = new File(configDirectivesDir, "add.xml"); File addedXml = new File(configDirectivesDir, "added.xml"); File newXml = new File(configDirectivesDir, "new.xml"); XMLConfiguration xmlconfig = new XMLConfiguration(); xmlconfig.setDelimiterParsingDisabled(true); xmlconfig.load(originalXml); Iterator i; XMLConfiguration addXmlConfig = new XMLConfiguration(); addXmlConfig.setDelimiterParsingDisabled(true); addXmlConfig.load(addXml); XMLConfiguration addedXmlConfig = new XMLConfiguration(); addedXmlConfig.setDelimiterParsingDisabled(true); if (addedXml.exists()) addedXmlConfig.load(addedXml); i = addXmlConfig.getKeys(); if (!i.hasNext()) return; List<String> firstParts = new ArrayList<String>(); while (i.hasNext()) { String key = (String) i.next(); if (key.contains(".")) { String candidate = key.substring(0, key.indexOf('.')); if (!firstParts.contains(candidate)) firstParts.add(candidate); } } for (String firstPart : firstParts) { System.out.println("firstPart = " + firstPart); int maxAddIndex = addXmlConfig.getMaxIndex(firstPart); int maxAddedIndex = addedXmlConfig.getMaxIndex(firstPart); int addIndex = xmlconfig.getMaxIndex(firstPart) + 1; List<String> removeKeys = new ArrayList<String>(); for (int j = 0; j <= maxAddIndex; j++) { List<String> addKeys = new ArrayList<String>(); Iterator x1 = addXmlConfig.getKeys(firstPart + "(" + j + ")"); while (x1.hasNext()) { String key = (String) x1.next(); addKeys.add(key); } for (int k = 0; k <= maxAddedIndex; k++) { List<String> addedKeys = new ArrayList<String>(); Iterator x2 = addedXmlConfig.getKeys(firstPart + "(" + k + ")"); while (x2.hasNext()) { String key = (String) x2.next(); addedKeys.add(key); } if (addMatch(addKeys, addedKeys, addXmlConfig, addedXmlConfig)) { for (String addKey : addKeys) removeKeys.add(addKey); } } } for (int j = removeKeys.size() - 1; j >= 0; j--) { String removeKey = removeKeys.get(j); addXmlConfig.clearProperty(removeKey); } System.out.println("Adding config..."); for (int j = 0; j <= maxAddIndex; j++) { String addXMLKey = firstPart + "(" + j + ")"; i = addXmlConfig.getKeys(addXMLKey); while (i.hasNext()) { String addXmlConfigKey = (String) i.next(); String lastPart = addXmlConfigKey.substring(addXmlConfigKey.indexOf('.') + 1, addXmlConfigKey.length()); String originalXmlConfigKey = firstPart + "(" + (addIndex + j) + ")." + lastPart; String addedXmlConfigKey = firstPart + "(" + (maxAddedIndex + 1 + j) + ")." + lastPart; xmlconfig.addProperty(originalXmlConfigKey, addXmlConfig.getProperty(addXmlConfigKey)); addedXmlConfig.addProperty(addedXmlConfigKey, addXmlConfig.getProperty(addXmlConfigKey)); } } } System.out.println("Simple adds..."); List<String> addedKeys = new ArrayList<String>(); i = addedXmlConfig.getKeys(); while (i.hasNext()) addedKeys.add((String) i.next()); i = addXmlConfig.getKeys(); while (i.hasNext()) { String addKey = (String) i.next(); if (addKey.contains(".")) continue; Object value = addXmlConfig.getProperty(addKey); if (addedKeys.contains(addKey)) { if (addedXmlConfig.getProperty(addKey).equals(value)) continue; } xmlconfig.addProperty(addKey, value); addedXmlConfig.addProperty(addKey, value); } addedXmlConfig.save(addedXml); xmlconfig.save(newXml); } public static void changeTest() throws Exception { System.out.println("ChangeTest"); File configDir = Module.make("configuration-manager").getConfigurationsDir(); File configDirectivesDir = new File(configDir.getParentFile(), "config-directives"); System.out.println(configDir); System.out.println(configDirectivesDir); System.out.println(); File originalXml = new File(configDir, "original.xml"); File changeXml = new File(configDirectivesDir, "change.xml"); File changedXml = new File(configDirectivesDir, "changed.xml"); XMLConfiguration originalXmlConfig = new XMLConfiguration(); originalXmlConfig.setDelimiterParsingDisabled(true); originalXmlConfig.load(originalXml); Iterator i; i = originalXmlConfig.getKeys(); System.out.println("Original.xml:"); while (i.hasNext()) { String key = (String) i.next(); System.out.println(key + " = " + originalXmlConfig.getProperty(key)); } System.out.println(); XMLConfiguration changeXmlConfig = new XMLConfiguration(); changeXmlConfig.setDelimiterParsingDisabled(true); changeXmlConfig.load(changeXml); XMLConfiguration changedXmlConfig = new XMLConfiguration(); changedXmlConfig.setDelimiterParsingDisabled(true); if (changedXml.exists()) changedXmlConfig.load(changedXml); i = changeXmlConfig.getKeys(); System.out.println("Change.xml:"); while (i.hasNext()) { String key = (String) i.next(); System.out.println(key + " = " + changeXmlConfig.getProperty(key)); } System.out.println(); i = changeXmlConfig.getKeys(); while (i.hasNext()) { String key = (String) i.next(); Object value = changeXmlConfig.getProperty(key); Object changed = changedXmlConfig.getProperty(key); if (changed == null || !value.equals(changed)) { originalXmlConfig.setProperty(key, value); changedXmlConfig.setProperty(key, value); } } i = originalXmlConfig.getKeys(); System.out.println("New Config:"); while (i.hasNext()) { String key = (String) i.next(); System.out.println(key + " = " + originalXmlConfig.getProperty(key)); } System.out.println(); i = changedXmlConfig.getKeys(); System.out.println("Changed.xml"); while (i.hasNext()) { String key = (String) i.next(); System.out.println(key + " = " + changedXmlConfig.getProperty(key)); } System.out.println(); changedXmlConfig.save(changedXml); } public static void removeTest() throws Exception { System.out.println("RemoveTest"); File configDir = Module.make("configuration-manager").getConfigurationsDir(); File configDirectivesDir = new File(configDir.getParentFile(), "config-directives"); System.out.println(configDir); System.out.println(configDirectivesDir); System.out.println(); File originalXml = new File(configDir, "original.xml"); File removeXml = new File(configDirectivesDir, "remove.xml"); File removedXml = new File(configDirectivesDir, "removed.xml"); File newXml = new File(configDirectivesDir, "new.xml"); XMLConfiguration originalXmlConfig = new XMLConfiguration(); originalXmlConfig.setDelimiterParsingDisabled(true); originalXmlConfig.load(originalXml); Iterator i; XMLConfiguration removeXmlConfig = new XMLConfiguration(); removeXmlConfig.setDelimiterParsingDisabled(true); removeXmlConfig.load(removeXml); XMLConfiguration removedXmlConfig = new XMLConfiguration(); removedXmlConfig.setDelimiterParsingDisabled(true); if (removedXml.exists()) removedXmlConfig.load(removedXml); i = removeXmlConfig.getKeys(); while (i.hasNext()) { String key = (String) i.next(); Object value = removeXmlConfig.getProperty(key); Object removed = removedXmlConfig.getProperty(key); if (removed == null || !value.equals(removed)) { originalXmlConfig.clearProperty(key); removedXmlConfig.setProperty(key, value); } } removedXmlConfig.save(removedXml); originalXmlConfig.save(newXml); } public static void main(String[] args) throws Exception { addTest(); //changeTest(); //removeTest(); } }