ant/org.eclipse.ant.ui/Ant Tools Support/org/eclipse/ant/internal/ui/preferences/ClasspathModel.java - platform/eclipse.platform - Git at Google

 /*******************************************************************************
  * Copyright (c) 2000, 2003 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Common Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/cpl-v10.html
  *
  * Contributors:
  *     IBM Corporation - initial API and implementation
  *******************************************************************************/

 package org.eclipse.ant.internal.ui.preferences;

 import java.io.File;
 import java.net.MalformedURLException;
 import java.net.URL;
 import java.util.ArrayList;
 import java.util.Iterator;
 import java.util.List;
 import java.util.StringTokenizer;

 import org.eclipse.ant.core.AntCorePlugin;
 import org.eclipse.ant.core.AntCorePreferences;
 import org.eclipse.ant.core.IAntClasspathEntry;
 import org.eclipse.ant.internal.ui.model.AntUtil;

 public class ClasspathModel extends AbstractClasspathEntry {

 	public static final int ANT_HOME= 0;
 	public static final int GLOBAL_USER= 1;
 	public static final int USER= 2;

 	private GlobalClasspathEntries antHomeEntry;
 	private GlobalClasspathEntries userGlobalEntry;

 	public Object addEntry(Object entry) {
 		if (entry instanceof GlobalClasspathEntries) {
 			if (!childEntries.contains(entry)) {
 				childEntries.add(entry);
 				return entry;
 			}
 			return null;
 		} else {
 			ClasspathEntry newEntry= createEntry(entry, null);
 			Iterator entries= childEntries.iterator();
 			while (entries.hasNext()) {
 				Object element = entries.next();
 				if (element instanceof GlobalClasspathEntries) {
 					if(((GlobalClasspathEntries)element).contains(newEntry)) {
 						return null;
 					}
 				} else if (element.equals(newEntry)) {
 					return null;
 				}
 			}
 			childEntries.add(newEntry);
 			return newEntry;
 		}
 	}

 	public Object addEntry(int entryType, Object entry) {
 		IClasspathEntry entryParent= null;
 		switch (entryType) {
 			case ANT_HOME :
 				if (antHomeEntry == null) {
 					String name= AntPreferencesMessages.getString("ClasspathModel.2"); //$NON-NLS-1$
 					antHomeEntry= createGlobalEntry(new IAntClasspathEntry[0], name, false, true);
 				}
 				entryParent= antHomeEntry;
 				break;
 			case GLOBAL_USER :
 				if (userGlobalEntry == null) {
 					String name= AntPreferencesMessages.getString("ClasspathModel.3"); //$NON-NLS-1$
 					userGlobalEntry= createGlobalEntry(new IAntClasspathEntry[0], name, true, true);
 				}
 				entryParent= userGlobalEntry;
 				break;
 			default :
 				break;
 		}

 		ClasspathEntry newEntry= createEntry(entry, entryParent);
 		Iterator entries= childEntries.iterator();
 		while (entries.hasNext()) {
 			Object element = entries.next();
 			if (element instanceof GlobalClasspathEntries) {
 				if(((GlobalClasspathEntries)element).contains(newEntry)) {
 					return null;
 				}
 			} else if (element.equals(newEntry)) {
 				return null;
 			}
 		}
 		if (entryParent != null) {
 			((GlobalClasspathEntries)entryParent).addEntry(newEntry);
 		} else {
 			childEntries.add(newEntry);
 		}
 		return newEntry;
 	}

 	/**
 	 * Returns entries of the specified kind, possibly empty.
 	 *
 	 * @param entryType kind of entries to retrieve
 	 * @return entries of the specified kind, possibly empty
 	 */
 	public IAntClasspathEntry[] getEntries(int entryType) {
 		switch (entryType) {
 			case ANT_HOME :
 				if (antHomeEntry != null) {
 					return antHomeEntry.getEntries();
 				}
 				break;
 			case GLOBAL_USER :
 				if (userGlobalEntry != null) {
 					return userGlobalEntry.getEntries();
 				}
 				break;
 			case USER :
 				return getUserEntries();
 		}
 		return new IAntClasspathEntry[0];
 	}

 	public void remove(Object entry) {
 		childEntries.remove(entry);
 		if (entry == userGlobalEntry) {
 			userGlobalEntry= null;
 		}
 	}

 	public ClasspathEntry createEntry(Object entry, IClasspathEntry entryParent) {
 		if (entryParent == null) {
 			entryParent= this;
 		}
 		return new ClasspathEntry(entry, entryParent);
 	}

 	public void removeAll() {
 		if (antHomeEntry != null) {
 			antHomeEntry.removeAll();
 		}
 		if (userGlobalEntry != null) {
 			userGlobalEntry.removeAll();
 		}
 	}

 	public void removeAll(int entryType) {
 		switch (entryType) {
 			case ANT_HOME :
 				if (antHomeEntry != null) {
 					antHomeEntry.removeAll();
 				}
 				break;
 			case GLOBAL_USER :
 				if (userGlobalEntry != null) {
 					userGlobalEntry.removeAll();
 				}
 				break;
 			default :
 				break;
 		}
 	}

 	public void removeAll(Object[] entries) {

 		for (int i = 0; i < entries.length; i++) {
 			Object object = entries[i];
 			if (object instanceof ClasspathEntry) {
 				IClasspathEntry entryParent= ((ClasspathEntry)object).getParent();
 				if (entryParent instanceof GlobalClasspathEntries) {
 					((GlobalClasspathEntries)entryParent).removeEntry((ClasspathEntry) object);
 				} else {
 					remove(object);
 				}
 			} else {
 				remove(object);
 			}
 		}
 	}

 	public void setAntHomeEntries(IAntClasspathEntry[] entries) {
 		if (antHomeEntry == null) {
 			String name= AntPreferencesMessages.getString("ClasspathModel.2"); //$NON-NLS-1$
 			antHomeEntry= createGlobalEntry(entries, name, false, true);
 		} else {
 			antHomeEntry.removeAll();
 			for (int i = 0; i < entries.length; i++) {
 				antHomeEntry.addEntry(new ClasspathEntry(entries[i], antHomeEntry));
 			}
 		}
 	}

 	private GlobalClasspathEntries createGlobalEntry(IAntClasspathEntry[] entries, String name, boolean canBeRemoved, boolean addEntry) {

 		GlobalClasspathEntries global= new GlobalClasspathEntries(name, this, canBeRemoved);

 		for (int i = 0; i < entries.length; i++) {
 			global.addEntry(new ClasspathEntry(entries[i], global));
 		}

 		if (addEntry) {
 			addEntry(global);
 		}
 		return global;
 	}

 	public void setGlobalEntries(IAntClasspathEntry[] entries) {
 		if (userGlobalEntry == null) {
 			String name= AntPreferencesMessages.getString("ClasspathModel.3"); //$NON-NLS-1$
 			userGlobalEntry= createGlobalEntry(entries, name, true, true);
 		} else {
 			userGlobalEntry.removeAll();
 			for (int i = 0; i < entries.length; i++) {
 				userGlobalEntry.addEntry(new ClasspathEntry(entries[i], userGlobalEntry));
 			}
 		}
 	}

 	private IAntClasspathEntry[] getUserEntries() {
 		List userEntries= new ArrayList(childEntries.size());
 		Iterator itr= childEntries.iterator();
 		while (itr.hasNext()) {
 			IClasspathEntry element = (IClasspathEntry) itr.next();
 			if (element instanceof GlobalClasspathEntries) {
 				continue;
 			}
 			userEntries.add(element);
 		}
 		return (IAntClasspathEntry[])userEntries.toArray(new IAntClasspathEntry[userEntries.size()]);
 	}

 	public String serializeClasspath(boolean defaultAntHome) {
 		Iterator itr= childEntries.iterator();
 		StringBuffer buff= new StringBuffer();
 		while (itr.hasNext()) {
 			IClasspathEntry element = (IClasspathEntry) itr.next();
 			if (element instanceof GlobalClasspathEntries) {
 				if (element == antHomeEntry) {
 					if (!defaultAntHome || !isSameAsDefaultAntHome()) {
 						IAntClasspathEntry[] antHomeEntries= antHomeEntry.getEntries();
 						for (int i = 0; i < antHomeEntries.length; i++) {
 							IAntClasspathEntry entry = antHomeEntries[i];
 							buff.append('?');
 							buff.append(entry.toString());
 							buff.append(AntUtil.ATTRIBUTE_SEPARATOR);
 						}
 					} else {
 						buff.append(AntUtil.ANT_HOME_CLASSPATH_PLACEHOLDER);
 					}
 				} else {
 					buff.append(AntUtil.ANT_GLOBAL_USER_CLASSPATH_PLACEHOLDER);
 				}
 			} else {
 				buff.append(element.toString());
 			}
 			buff.append(AntUtil.ATTRIBUTE_SEPARATOR);
 		}
 		if (buff.length() > 0) {
 			return buff.substring(0, buff.length() - 1);
 		} else {
 			return ""; //$NON-NLS-1$
 		}
 	}

 	private boolean isSameAsDefaultAntHome() {
 		AntCorePreferences prefs= AntCorePlugin.getPlugin().getPreferences();
 		IAntClasspathEntry[] defaultAntHomeEntries= prefs.getAntHomeClasspathEntries();
 		IAntClasspathEntry[] antHomeEntries= antHomeEntry.getEntries();
 		if (antHomeEntries.length != defaultAntHomeEntries.length) {
 			return false;
 		}

 		for (int i = 0; i < antHomeEntries.length; i++) {
 			IAntClasspathEntry entry = antHomeEntries[i];
 			IAntClasspathEntry defaultEntry= defaultAntHomeEntries[i];
 			if (!sameURL(entry, defaultEntry)) {
 				return false;
 			}
 		}
 		return true;
 	}

 	private boolean sameURL(IAntClasspathEntry first, IAntClasspathEntry second) {
 		if (first == null || second == null) {
 			return false;
 		}
 		File newFile= new File(first.getEntryURL().getFile());
 		File existingFile= new File(second.getEntryURL().getFile());
 		if (existingFile.equals(newFile)) {
 			return true;
 		}
 		return false;
 	}

 	public ClasspathModel(String serializedClasspath, boolean customAntHome) {
 		StringTokenizer tokenizer= new StringTokenizer(serializedClasspath, AntUtil.ATTRIBUTE_SEPARATOR);

 		while (tokenizer.hasMoreTokens()) {
 			String string = tokenizer.nextToken().trim();
 			if (string.equals(AntUtil.ANT_HOME_CLASSPATH_PLACEHOLDER)) {
 				IAntClasspathEntry[] antHomeEntries= new IAntClasspathEntry[0];
 				if (!customAntHome) {
 					antHomeEntries= AntCorePlugin.getPlugin().getPreferences().getAntHomeClasspathEntries();
 				}
 				setAntHomeEntries(antHomeEntries);
 			} else if (string.equals(AntUtil.ANT_GLOBAL_USER_CLASSPATH_PLACEHOLDER)) {
 				setGlobalEntries(AntCorePlugin.getPlugin().getPreferences().getAdditionalClasspathEntries());
 			} else {
 				boolean isAntHomeEntry= false;
 				Object entry= null;
 				if (string.charAt(0) == '*') {
 					//old customclasspath
 					string= string.substring(1);
 				}
 				if (string.charAt(0) == '?') {
 					//ant home entry
 					string= string.substring(1);
 					isAntHomeEntry= true;
 				}
 				try {
 					entry=  new URL("file:" + string); //$NON-NLS-1$
 				} catch (MalformedURLException e) {
 					entry= string;
 				}
 				if (isAntHomeEntry) {
 					addEntry(ANT_HOME, entry);
 				} else {
 					addEntry(entry);
 				}
 			}
 		}
 	}

 	public ClasspathModel() {
 		super();
 	}

 	/**
 	 * @return
 	 */
 	public Object[] getRemovedGlobalEntries() {
 		if (userGlobalEntry == null) {
 			String name= AntPreferencesMessages.getString("ClasspathModel.3"); //$NON-NLS-1$
 			return new Object[] {createGlobalEntry(new IAntClasspathEntry[0], name, true, false)};
 		}
 		return new Object[] {};
 	}

 	/**
 	 * @return
 	 */
 	public Object getAntHomeEntry() {
 		return antHomeEntry;
 	}
 }
	/*******************************************************************************
	* Copyright (c) 2000, 2003 IBM Corporation and others.
	* All rights reserved. This program and the accompanying materials
	* are made available under the terms of the Common Public License v1.0
	* which accompanies this distribution, and is available at
	* http://www.eclipse.org/legal/cpl-v10.html
	*
	* Contributors:
	* IBM Corporation - initial API and implementation
	*******************************************************************************/

	package org.eclipse.ant.internal.ui.preferences;

	import java.io.File;
	import java.net.MalformedURLException;
	import java.net.URL;
	import java.util.ArrayList;
	import java.util.Iterator;
	import java.util.List;
	import java.util.StringTokenizer;

	import org.eclipse.ant.core.AntCorePlugin;
	import org.eclipse.ant.core.AntCorePreferences;
	import org.eclipse.ant.core.IAntClasspathEntry;
	import org.eclipse.ant.internal.ui.model.AntUtil;

	public class ClasspathModel extends AbstractClasspathEntry {

	public static final int ANT_HOME= 0;
	public static final int GLOBAL_USER= 1;
	public static final int USER= 2;

	private GlobalClasspathEntries antHomeEntry;
	private GlobalClasspathEntries userGlobalEntry;

	public Object addEntry(Object entry) {
	if (entry instanceof GlobalClasspathEntries) {
	if (!childEntries.contains(entry)) {
	childEntries.add(entry);
	return entry;
	}
	return null;
	} else {
	ClasspathEntry newEntry= createEntry(entry, null);
	Iterator entries= childEntries.iterator();
	while (entries.hasNext()) {
	Object element = entries.next();
	if (element instanceof GlobalClasspathEntries) {
	if(((GlobalClasspathEntries)element).contains(newEntry)) {
	return null;
	}
	} else if (element.equals(newEntry)) {
	return null;
	}
	}
	childEntries.add(newEntry);
	return newEntry;
	}
	}

	public Object addEntry(int entryType, Object entry) {
	IClasspathEntry entryParent= null;
	switch (entryType) {
	case ANT_HOME :
	if (antHomeEntry == null) {
	String name= AntPreferencesMessages.getString("ClasspathModel.2"); //$NON-NLS-1$
	antHomeEntry= createGlobalEntry(new IAntClasspathEntry[0], name, false, true);
	}
	entryParent= antHomeEntry;
	break;
	case GLOBAL_USER :
	if (userGlobalEntry == null) {
	String name= AntPreferencesMessages.getString("ClasspathModel.3"); //$NON-NLS-1$
	userGlobalEntry= createGlobalEntry(new IAntClasspathEntry[0], name, true, true);
	}
	entryParent= userGlobalEntry;
	break;
	default :
	break;
	}

	ClasspathEntry newEntry= createEntry(entry, entryParent);
	Iterator entries= childEntries.iterator();
	while (entries.hasNext()) {
	Object element = entries.next();
	if (element instanceof GlobalClasspathEntries) {
	if(((GlobalClasspathEntries)element).contains(newEntry)) {
	return null;
	}
	} else if (element.equals(newEntry)) {
	return null;
	}
	}
	if (entryParent != null) {
	((GlobalClasspathEntries)entryParent).addEntry(newEntry);
	} else {
	childEntries.add(newEntry);
	}
	return newEntry;
	}

	/**
	* Returns entries of the specified kind, possibly empty.
	*
	* @param entryType kind of entries to retrieve
	* @return entries of the specified kind, possibly empty
	*/
	public IAntClasspathEntry[] getEntries(int entryType) {
	switch (entryType) {
	case ANT_HOME :
	if (antHomeEntry != null) {
	return antHomeEntry.getEntries();
	}
	break;
	case GLOBAL_USER :
	if (userGlobalEntry != null) {
	return userGlobalEntry.getEntries();
	}
	break;
	case USER :
	return getUserEntries();
	}
	return new IAntClasspathEntry[0];
	}

	public void remove(Object entry) {
	childEntries.remove(entry);
	if (entry == userGlobalEntry) {
	userGlobalEntry= null;
	}
	}

	public ClasspathEntry createEntry(Object entry, IClasspathEntry entryParent) {
	if (entryParent == null) {
	entryParent= this;
	}
	return new ClasspathEntry(entry, entryParent);
	}

	public void removeAll() {
	if (antHomeEntry != null) {
	antHomeEntry.removeAll();
	}
	if (userGlobalEntry != null) {
	userGlobalEntry.removeAll();
	}
	}

	public void removeAll(int entryType) {
	switch (entryType) {
	case ANT_HOME :
	if (antHomeEntry != null) {
	antHomeEntry.removeAll();
	}
	break;
	case GLOBAL_USER :
	if (userGlobalEntry != null) {
	userGlobalEntry.removeAll();
	}
	break;
	default :
	break;
	}
	}

	public void removeAll(Object[] entries) {

	for (int i = 0; i < entries.length; i++) {
	Object object = entries[i];
	if (object instanceof ClasspathEntry) {
	IClasspathEntry entryParent= ((ClasspathEntry)object).getParent();
	if (entryParent instanceof GlobalClasspathEntries) {
	((GlobalClasspathEntries)entryParent).removeEntry((ClasspathEntry) object);
	} else {
	remove(object);
	}
	} else {
	remove(object);
	}
	}
	}

	public void setAntHomeEntries(IAntClasspathEntry[] entries) {
	if (antHomeEntry == null) {
	String name= AntPreferencesMessages.getString("ClasspathModel.2"); //$NON-NLS-1$
	antHomeEntry= createGlobalEntry(entries, name, false, true);
	} else {
	antHomeEntry.removeAll();
	for (int i = 0; i < entries.length; i++) {
	antHomeEntry.addEntry(new ClasspathEntry(entries[i], antHomeEntry));
	}
	}
	}

	private GlobalClasspathEntries createGlobalEntry(IAntClasspathEntry[] entries, String name, boolean canBeRemoved, boolean addEntry) {

	GlobalClasspathEntries global= new GlobalClasspathEntries(name, this, canBeRemoved);

	for (int i = 0; i < entries.length; i++) {
	global.addEntry(new ClasspathEntry(entries[i], global));
	}

	if (addEntry) {
	addEntry(global);
	}
	return global;
	}

	public void setGlobalEntries(IAntClasspathEntry[] entries) {
	if (userGlobalEntry == null) {
	String name= AntPreferencesMessages.getString("ClasspathModel.3"); //$NON-NLS-1$
	userGlobalEntry= createGlobalEntry(entries, name, true, true);
	} else {
	userGlobalEntry.removeAll();
	for (int i = 0; i < entries.length; i++) {
	userGlobalEntry.addEntry(new ClasspathEntry(entries[i], userGlobalEntry));
	}
	}
	}

	private IAntClasspathEntry[] getUserEntries() {
	List userEntries= new ArrayList(childEntries.size());
	Iterator itr= childEntries.iterator();
	while (itr.hasNext()) {
	IClasspathEntry element = (IClasspathEntry) itr.next();
	if (element instanceof GlobalClasspathEntries) {
	continue;
	}
	userEntries.add(element);
	}
	return (IAntClasspathEntry[])userEntries.toArray(new IAntClasspathEntry[userEntries.size()]);
	}

	public String serializeClasspath(boolean defaultAntHome) {
	Iterator itr= childEntries.iterator();
	StringBuffer buff= new StringBuffer();
	while (itr.hasNext()) {
	IClasspathEntry element = (IClasspathEntry) itr.next();
	if (element instanceof GlobalClasspathEntries) {
	if (element == antHomeEntry) {
	if (!defaultAntHome \|\| !isSameAsDefaultAntHome()) {
	IAntClasspathEntry[] antHomeEntries= antHomeEntry.getEntries();
	for (int i = 0; i < antHomeEntries.length; i++) {
	IAntClasspathEntry entry = antHomeEntries[i];
	buff.append('?');
	buff.append(entry.toString());
	buff.append(AntUtil.ATTRIBUTE_SEPARATOR);
	}
	} else {
	buff.append(AntUtil.ANT_HOME_CLASSPATH_PLACEHOLDER);
	}
	} else {
	buff.append(AntUtil.ANT_GLOBAL_USER_CLASSPATH_PLACEHOLDER);
	}
	} else {
	buff.append(element.toString());
	}
	buff.append(AntUtil.ATTRIBUTE_SEPARATOR);
	}
	if (buff.length() > 0) {
	return buff.substring(0, buff.length() - 1);
	} else {
	return ""; //$NON-NLS-1$
	}
	}

	private boolean isSameAsDefaultAntHome() {
	AntCorePreferences prefs= AntCorePlugin.getPlugin().getPreferences();
	IAntClasspathEntry[] defaultAntHomeEntries= prefs.getAntHomeClasspathEntries();
	IAntClasspathEntry[] antHomeEntries= antHomeEntry.getEntries();
	if (antHomeEntries.length != defaultAntHomeEntries.length) {
	return false;
	}

	for (int i = 0; i < antHomeEntries.length; i++) {
	IAntClasspathEntry entry = antHomeEntries[i];
	IAntClasspathEntry defaultEntry= defaultAntHomeEntries[i];
	if (!sameURL(entry, defaultEntry)) {
	return false;
	}
	}
	return true;
	}

	private boolean sameURL(IAntClasspathEntry first, IAntClasspathEntry second) {
	if (first == null \|\| second == null) {
	return false;
	}
	File newFile= new File(first.getEntryURL().getFile());
	File existingFile= new File(second.getEntryURL().getFile());
	if (existingFile.equals(newFile)) {
	return true;
	}
	return false;
	}

	public ClasspathModel(String serializedClasspath, boolean customAntHome) {
	StringTokenizer tokenizer= new StringTokenizer(serializedClasspath, AntUtil.ATTRIBUTE_SEPARATOR);

	while (tokenizer.hasMoreTokens()) {
	String string = tokenizer.nextToken().trim();
	if (string.equals(AntUtil.ANT_HOME_CLASSPATH_PLACEHOLDER)) {
	IAntClasspathEntry[] antHomeEntries= new IAntClasspathEntry[0];
	if (!customAntHome) {
	antHomeEntries= AntCorePlugin.getPlugin().getPreferences().getAntHomeClasspathEntries();
	}
	setAntHomeEntries(antHomeEntries);
	} else if (string.equals(AntUtil.ANT_GLOBAL_USER_CLASSPATH_PLACEHOLDER)) {
	setGlobalEntries(AntCorePlugin.getPlugin().getPreferences().getAdditionalClasspathEntries());
	} else {
	boolean isAntHomeEntry= false;
	Object entry= null;
	if (string.charAt(0) == '*') {
	//old customclasspath
	string= string.substring(1);
	}
	if (string.charAt(0) == '?') {
	//ant home entry
	string= string.substring(1);
	isAntHomeEntry= true;
	}
	try {
	entry= new URL("file:" + string); //$NON-NLS-1$
	} catch (MalformedURLException e) {
	entry= string;
	}
	if (isAntHomeEntry) {
	addEntry(ANT_HOME, entry);
	} else {
	addEntry(entry);
	}
	}
	}
	}

	public ClasspathModel() {
	super();
	}

	/**
	* @return
	*/
	public Object[] getRemovedGlobalEntries() {
	if (userGlobalEntry == null) {
	String name= AntPreferencesMessages.getString("ClasspathModel.3"); //$NON-NLS-1$
	return new Object[] {createGlobalEntry(new IAntClasspathEntry[0], name, true, false)};
	}
	return new Object[] {};
	}

	/**
	* @return
	*/
	public Object getAntHomeEntry() {
	return antHomeEntry;
	}
	}