ui/org.eclipse.pde.ui/src/org/eclipse/pde/internal/model/feature/Feature.java - pde/eclipse.pde.ui - Git at Google

 package org.eclipse.pde.internal.model.feature;
 /*
  * (c) Copyright IBM Corp. 2000, 2001.
  * All Rights Reserved.
  */

 import org.eclipse.pde.internal.*;
 import org.eclipse.pde.model.plugin.*;
 import org.eclipse.pde.model.*;

 import java.io.*;
 import org.w3c.dom.*;
 import org.eclipse.core.runtime.*;
 import org.eclipse.pde.internal.base.model.feature.*;
 import java.util.*;
 import org.eclipse.pde.internal.base.model.*;

 public class Feature extends VersionableObject implements IFeature {
 	final static String INDENT = "   ";
 	private String providerName;
 	private IFeatureURL url;
 	private IFeatureInfo[] infos = new IFeatureInfo[3];
 	private Vector data = new Vector();
 	private Vector plugins = new Vector();
 	private Vector imports = new Vector();
 	private String os;
 	private String ws;
 	private String nl;
 	private String arch;
 	private IFeatureInstallHandler handler;
 	private boolean primary;

 	public void addPlugins(IFeaturePlugin[] newPlugins) throws CoreException {
 		ensureModelEditable();
 		for (int i = 0; i < newPlugins.length; i++) {
 			plugins.add(newPlugins[i]);
 		}
 		fireStructureChanged(newPlugins, IModelChangedEvent.INSERT);
 	}

 	public void addData(IFeatureData[] newData) throws CoreException {
 		ensureModelEditable();
 		for (int i = 0; i < newData.length; i++) {
 			data.add(newData[i]);
 		}
 		fireStructureChanged(newData, IModelChangedEvent.INSERT);
 	}

 	public void addImport(IFeatureImport iimport) throws CoreException {
 		ensureModelEditable();
 		imports.add(iimport);
 		fireStructureChanged(iimport, IModelChangedEvent.INSERT);
 	}

 	public IFeaturePlugin[] getPlugins() {
 		IFeaturePlugin[] result = new IFeaturePlugin[plugins.size()];
 		plugins.copyInto(result);
 		return result;
 	}

 	public IFeatureData[] getData() {
 		IFeatureData[] result = new IFeatureData[data.size()];
 		data.copyInto(result);
 		return result;
 	}
 	public IFeatureImport[] getImports() {
 		IFeatureImport[] result = new IFeatureImport[imports.size()];
 		imports.copyInto(result);
 		return result;
 	}
 	public String getProviderName() {
 		return providerName;
 	}

 	public IPluginModelBase getReferencedModel(IFeaturePlugin reference) {
 		WorkspaceModelManager mng = PDEPlugin.getDefault().getWorkspaceModelManager();
 		IPluginModelBase[] models = null;
 		if (reference.isFragment())
 			models = mng.getWorkspaceFragmentModels();
 		else
 			models = mng.getWorkspacePluginModels();

 		for (int i = 0; i < models.length; i++) {
 			IPluginBase base = models[i].getPluginBase();
 			if (base.getId().equals(reference.getId()))
 				return models[i];
 		}
 		return null;
 	}
 	public IFeatureURL getURL() {
 		return url;
 	}
 	public IFeatureInstallHandler getInstallHandler() {
 		return handler;
 	}

 	public boolean isPrimary() {
 		return primary;
 	}

 	public void setPrimary(boolean newValue) throws CoreException {
 		if (this.primary == newValue)
 			return;
 		ensureModelEditable();
 		Boolean oldValue = this.primary ? Boolean.TRUE : Boolean.FALSE;
 		this.primary = newValue;
 		firePropertyChanged(
 			P_PRIMARY,
 			oldValue,
 			newValue ? Boolean.TRUE : Boolean.FALSE);
 	}

 	protected void parse(Node node) {
 		super.parse(node);
 		providerName = getNodeAttribute(node, "provider-name");
 		os = getNodeAttribute(node, "os");
 		ws = getNodeAttribute(node, "ws");
 		nl = getNodeAttribute(node, "nl");
 		NodeList children = node.getChildNodes();

 		for (int i = 0; i < children.getLength(); i++) {
 			Node child = children.item(i);
 			if (child.getNodeType() == Node.ELEMENT_NODE) {
 				String tag = child.getNodeName().toLowerCase();
 				if (tag.equals("description")) {
 					IFeatureInfo info =
 						getModel().getFactory().createInfo(IFeature.INFO_DESCRIPTION);
 					((FeatureInfo) info).parse(child);
 					infos[IFeature.INFO_DESCRIPTION] = info;
 				} else if (tag.equals("license")) {
 					IFeatureInfo info = getModel().getFactory().createInfo(IFeature.INFO_LICENSE);
 					((FeatureInfo) info).parse(child);
 					infos[IFeature.INFO_LICENSE] = info;
 				} else if (tag.equals("copyright")) {
 					IFeatureInfo info = getModel().getFactory().createInfo(IFeature.INFO_COPYRIGHT);
 					((FeatureInfo) info).parse(child);
 					infos[IFeature.INFO_COPYRIGHT] = info;
 				} else if (tag.equals("url")) {
 					if (url == null) {
 						url = getModel().getFactory().createURL();
 						((FeatureURL) url).parse(child);
 					}
 				} else if (tag.equals("requires")) {
 					parseRequires(child);
 				} else if (tag.equals("install-handler")) {
 					IFeatureInstallHandler handler = getModel().getFactory().createInstallHandler();
 					((FeatureInstallHandler) handler).parse(child);
 					this.handler = handler;
 				} else if (tag.equals("plugin")) {
 					IFeaturePlugin plugin = getModel().getFactory().createPlugin();
 					((FeaturePlugin) plugin).parse(child);
 					plugins.add(plugin);
 				} else if (tag.equals("data")) {
 					IFeatureData newData = getModel().getFactory().createData();
 					((FeatureData) newData).parse(child);
 					data.add(newData);
 				}
 			}
 		}
 	}
 	private void parseRequires(Node node) {
 		NodeList children = node.getChildNodes();
 		for (int i = 0; i < children.getLength(); i++) {
 			Node child = children.item(i);
 			if (child.getNodeType() == Node.ELEMENT_NODE) {
 				if (child.getNodeName().equalsIgnoreCase("import")) {
 					IFeatureImport iimport = getModel().getFactory().createImport();
 					((FeatureImport) iimport).parse(child);
 					imports.add(iimport);
 				}
 			}
 		}
 	}

 	public void computeImports() throws CoreException {
 		IFeatureImport[] removed = null;
 		if (imports.size() > 0)
 			removed =
 				(IFeatureImport[]) imports.toArray(new IFeatureImport[imports.size()]);
 		imports.clear();
 		if (removed != null)
 			fireStructureChanged(removed, IModelChangedEvent.REMOVE);
 		// Create full import list
 		for (int i = 0; i < plugins.size(); i++) {
 			IFeaturePlugin fp = (IFeaturePlugin) plugins.get(i);
 			IPluginBase plugin =
 				PDEPlugin.getDefault().findPlugin(fp.getId(), fp.getVersion(), 0);
 			if (plugin != null) {
 				addPluginImports(plugin);
 			}
 		}
 		// Find plug-ins that satisfy requirements within this feature.
 		// Whatever remains will be feature external requirements.
 		Vector inputImports = (Vector) imports.clone();
 		for (int i = 0; i < inputImports.size(); i++) {
 			IFeatureImport iimport = (IFeatureImport) inputImports.get(i);
 			IFeaturePlugin local =
 				findFeaturePlugin(iimport.getId(), iimport.getVersion(), iimport.getMatch());
 			if (local != null)
 				imports.remove(iimport);
 		}
 		if (imports.size() > 0) {
 			IFeatureImport[] added =
 				(IFeatureImport[]) imports.toArray(new IFeatureImport[imports.size()]);
 			fireStructureChanged(added, IModelChangedEvent.INSERT);
 		}
 	}

 	private void addPluginImports(IPluginBase plugin) throws CoreException {
 		IPluginImport[] pluginImports = plugin.getImports();
 		for (int i = 0; i < pluginImports.length; i++) {
 			IPluginImport pluginImport = pluginImports[i];
 			String id = pluginImport.getId();
 			String version = pluginImport.getVersion();
 			int match = pluginImport.getMatch();
 			// Don't add duplicates
 			if (findImport(id, version, match) != null)
 				continue;
 			IFeatureImport iimport = getModel().getFactory().createImport();
 			iimport.setId(id);
 			iimport.setVersion(version);
 			iimport.setMatch(match);
 			imports.add(iimport);
 			IPlugin p =
 				PDEPlugin.getDefault().findPlugin(
 					pluginImport.getId(),
 					pluginImport.getVersion(),
 					pluginImport.getMatch());
 			((FeatureImport) iimport).setPlugin(p);
 			/*
 			if (p != null)
 				addPluginImports(p);
 			*/
 		}
 	}

 	private IFeatureImport findImport(String id, String version, int match) {
 		for (int i = 0; i < imports.size(); i++) {
 			IFeatureImport iimport = (IFeatureImport) imports.get(i);
 			if (iimport.getId().equals(id)) {
 				if (version == null)
 					return iimport;
 				if (version.equals(iimport.getVersion()) && match == iimport.getMatch())
 					return iimport;
 			}
 		}
 		return null;
 	}

 	private IFeaturePlugin findFeaturePlugin(
 		String id,
 		String version,
 		int match) {

 		for (int i = 0; i < plugins.size(); i++) {
 			IFeaturePlugin fp = (IFeaturePlugin) plugins.get(i);
 			String pid = fp.getId();
 			String pversion = fp.getVersion();
 			if (PDEPlugin.compare(id, version, pid, pversion, match))
 				return fp;
 		}
 		return null;
 	}

 	public void removePlugins(IFeaturePlugin[] removed) throws CoreException {
 		ensureModelEditable();
 		for (int i = 0; i < removed.length; i++)
 			plugins.remove(removed[i]);
 		fireStructureChanged(removed, IModelChangedEvent.REMOVE);
 	}

 	public void removeData(IFeatureData[] removed) throws CoreException {
 		ensureModelEditable();
 		for (int i = 0; i < removed.length; i++)
 			data.remove(removed[i]);
 		fireStructureChanged(removed, IModelChangedEvent.REMOVE);
 	}
 	public void removeImport(IFeatureImport iimport) throws CoreException {
 		ensureModelEditable();
 		imports.remove(iimport);
 		fireStructureChanged(iimport, IModelChangedEvent.REMOVE);
 	}

 	public String getOS() {
 		return os;
 	}

 	public String getWS() {
 		return ws;
 	}

 	public String getNL() {
 		return nl;
 	}


 	public String getArch() {
 		return arch;
 	}

 	public void setOS(String os) throws CoreException {
 		ensureModelEditable();
 		Object oldValue = this.os;
 		this.os = os;
 		firePropertyChanged(P_OS, oldValue, os);
 	}
 	public void setWS(String ws) throws CoreException {
 		ensureModelEditable();
 		Object oldValue = this.ws;
 		this.ws = ws;
 		firePropertyChanged(P_WS, oldValue, ws);
 	}
 	public void setNL(String nl) throws CoreException {
 		ensureModelEditable();
 		Object oldValue = this.nl;
 		this.nl = nl;
 		firePropertyChanged(P_NL, oldValue, nl);
 	}
 	public void setArch(String arch) throws CoreException {
 		ensureModelEditable();
 		Object oldValue = this.arch;
 		this.arch = arch;
 		firePropertyChanged(P_ARCH, oldValue, arch);
 	}

 	public void reset() {
 		super.reset();
 		data.clear();
 		plugins.clear();
 		imports.clear();
 		url = null;
 		providerName = null;
 		os = null;
 		ws = null;
 		nl = null;
 		arch = null;
 		infos[0] = null;
 		infos[1] = null;
 		infos[2] = null;
 	}

 	public void setProviderName(String providerName) throws CoreException {
 		ensureModelEditable();
 		Object oldValue = this.providerName;
 		this.providerName = providerName;
 		firePropertyChanged(P_PROVIDER, oldValue, providerName);
 	}
 	public void setURL(IFeatureURL url) throws CoreException {
 		ensureModelEditable();
 		Object oldValue = this.url;
 		this.url = url;
 		firePropertyChanged(P_URL, oldValue, url);
 	}
 	public void setInstallHandler(IFeatureInstallHandler handler)
 		throws CoreException {
 		ensureModelEditable();
 		Object oldValue = this.handler;
 		this.handler = handler;
 		firePropertyChanged(P_INSTALL_HANDLER, oldValue, handler);
 	}

 	public IFeatureInfo getFeatureInfo(int index) {
 		return infos[index];
 	}

 	public void setFeatureInfo(IFeatureInfo info, int index) throws CoreException {
 		ensureModelEditable();
 		Object oldValue = infos[index];
 		infos[index] = info;
 		String property;
 		switch (index) {
 			case INFO_DESCRIPTION :
 				property = P_DESCRIPTION;
 				break;
 			case INFO_LICENSE :
 				property = P_LICENSE;
 				break;
 			case INFO_COPYRIGHT :
 				property = P_COPYRIGHT;
 				break;
 			default :
 				return;
 		}
 		firePropertyChanged(property, oldValue, info);
 	}

 	public void write(String indent, PrintWriter writer) {
 		writer.print(indent + "<feature");
 		String indent2 = indent + INDENT;
 		String indenta = indent + INDENT + INDENT;
 		writeIfDefined(indenta, writer, "id", getId());
 		writeIfDefined(indenta, writer, "label", getWritableString(getLabel()));
 		writeIfDefined(indenta, writer, "version", getVersion());
 		writeIfDefined(
 			indenta,
 			writer,
 			"provider-name",
 			getWritableString(providerName));
 		writeIfDefined(indenta, writer, "os", os);
 		writeIfDefined(indenta, writer, "ws", ws);
 		writeIfDefined(indenta, writer, "nl", nl);
 		writeIfDefined(indenta, writer, "arch", arch);
 		if (isPrimary()) {
 			writer.println();
 			writer.print(indenta + "primary=\"true\"");
 		}

 		writer.println(">");
 		if (handler != null) {
 			writer.println();
 			handler.write(indent2, writer);
 		}

 		for (int i = 0; i < 3; i++) {
 			IFeatureInfo info = infos[i];
 			if (info != null && !info.isEmpty())
 				info.write(indent2, writer);
 		}

 		if (url != null) {
 			writer.println();
 			url.write(indent2, writer);
 		}
 		if (imports.size() > 0) {
 			writer.println();
 			writer.println(indent2 + "<requires>");
 			for (int i = 0; i < imports.size(); i++) {
 				IFeatureImport iimport = (IFeatureImport) imports.get(i);
 				iimport.write(indenta, writer);
 			}
 			writer.println(indent2 + "</requires>");
 		}
 		for (int i = 0; i < plugins.size(); i++) {
 			IFeaturePlugin plugin = (IFeaturePlugin) plugins.elementAt(i);
 			writer.println();
 			plugin.write(indent2, writer);
 		}
 		for (int i = 0; i < data.size(); i++) {
 			IFeatureData entry = (IFeatureData) data.elementAt(i);
 			writer.println();
 			entry.write(indent2, writer);
 		}
 		writer.println();
 		writer.println(indent + "</feature>");
 	}
 	private void writeIfDefined(
 		String indent,
 		PrintWriter writer,
 		String attName,
 		String attValue) {
 		if (attValue == null)
 			return;
 		writer.println();
 		writer.print(indent + attName + "=\"" + attValue + "\"");
 	}
 }
	package org.eclipse.pde.internal.model.feature;
	/*
	* (c) Copyright IBM Corp. 2000, 2001.
	* All Rights Reserved.
	*/

	import org.eclipse.pde.internal.*;
	import org.eclipse.pde.model.plugin.*;
	import org.eclipse.pde.model.*;

	import java.io.*;
	import org.w3c.dom.*;
	import org.eclipse.core.runtime.*;
	import org.eclipse.pde.internal.base.model.feature.*;
	import java.util.*;
	import org.eclipse.pde.internal.base.model.*;

	public class Feature extends VersionableObject implements IFeature {
	final static String INDENT = " ";
	private String providerName;
	private IFeatureURL url;
	private IFeatureInfo[] infos = new IFeatureInfo[3];
	private Vector data = new Vector();
	private Vector plugins = new Vector();
	private Vector imports = new Vector();
	private String os;
	private String ws;
	private String nl;
	private String arch;
	private IFeatureInstallHandler handler;
	private boolean primary;

	public void addPlugins(IFeaturePlugin[] newPlugins) throws CoreException {
	ensureModelEditable();
	for (int i = 0; i < newPlugins.length; i++) {
	plugins.add(newPlugins[i]);
	}
	fireStructureChanged(newPlugins, IModelChangedEvent.INSERT);
	}

	public void addData(IFeatureData[] newData) throws CoreException {
	ensureModelEditable();
	for (int i = 0; i < newData.length; i++) {
	data.add(newData[i]);
	}
	fireStructureChanged(newData, IModelChangedEvent.INSERT);
	}

	public void addImport(IFeatureImport iimport) throws CoreException {
	ensureModelEditable();
	imports.add(iimport);
	fireStructureChanged(iimport, IModelChangedEvent.INSERT);
	}

	public IFeaturePlugin[] getPlugins() {
	IFeaturePlugin[] result = new IFeaturePlugin[plugins.size()];
	plugins.copyInto(result);
	return result;
	}

	public IFeatureData[] getData() {
	IFeatureData[] result = new IFeatureData[data.size()];
	data.copyInto(result);
	return result;
	}
	public IFeatureImport[] getImports() {
	IFeatureImport[] result = new IFeatureImport[imports.size()];
	imports.copyInto(result);
	return result;
	}
	public String getProviderName() {
	return providerName;
	}

	public IPluginModelBase getReferencedModel(IFeaturePlugin reference) {
	WorkspaceModelManager mng = PDEPlugin.getDefault().getWorkspaceModelManager();
	IPluginModelBase[] models = null;
	if (reference.isFragment())
	models = mng.getWorkspaceFragmentModels();
	else
	models = mng.getWorkspacePluginModels();

	for (int i = 0; i < models.length; i++) {
	IPluginBase base = models[i].getPluginBase();
	if (base.getId().equals(reference.getId()))
	return models[i];
	}
	return null;
	}
	public IFeatureURL getURL() {
	return url;
	}
	public IFeatureInstallHandler getInstallHandler() {
	return handler;
	}

	public boolean isPrimary() {
	return primary;
	}

	public void setPrimary(boolean newValue) throws CoreException {
	if (this.primary == newValue)
	return;
	ensureModelEditable();
	Boolean oldValue = this.primary ? Boolean.TRUE : Boolean.FALSE;
	this.primary = newValue;
	firePropertyChanged(
	P_PRIMARY,
	oldValue,
	newValue ? Boolean.TRUE : Boolean.FALSE);
	}

	protected void parse(Node node) {
	super.parse(node);
	providerName = getNodeAttribute(node, "provider-name");
	os = getNodeAttribute(node, "os");
	ws = getNodeAttribute(node, "ws");
	nl = getNodeAttribute(node, "nl");
	NodeList children = node.getChildNodes();

	for (int i = 0; i < children.getLength(); i++) {
	Node child = children.item(i);
	if (child.getNodeType() == Node.ELEMENT_NODE) {
	String tag = child.getNodeName().toLowerCase();
	if (tag.equals("description")) {
	IFeatureInfo info =
	getModel().getFactory().createInfo(IFeature.INFO_DESCRIPTION);
	((FeatureInfo) info).parse(child);
	infos[IFeature.INFO_DESCRIPTION] = info;
	} else if (tag.equals("license")) {
	IFeatureInfo info = getModel().getFactory().createInfo(IFeature.INFO_LICENSE);
	((FeatureInfo) info).parse(child);
	infos[IFeature.INFO_LICENSE] = info;
	} else if (tag.equals("copyright")) {
	IFeatureInfo info = getModel().getFactory().createInfo(IFeature.INFO_COPYRIGHT);
	((FeatureInfo) info).parse(child);
	infos[IFeature.INFO_COPYRIGHT] = info;
	} else if (tag.equals("url")) {
	if (url == null) {
	url = getModel().getFactory().createURL();
	((FeatureURL) url).parse(child);
	}
	} else if (tag.equals("requires")) {
	parseRequires(child);
	} else if (tag.equals("install-handler")) {
	IFeatureInstallHandler handler = getModel().getFactory().createInstallHandler();
	((FeatureInstallHandler) handler).parse(child);
	this.handler = handler;
	} else if (tag.equals("plugin")) {
	IFeaturePlugin plugin = getModel().getFactory().createPlugin();
	((FeaturePlugin) plugin).parse(child);
	plugins.add(plugin);
	} else if (tag.equals("data")) {
	IFeatureData newData = getModel().getFactory().createData();
	((FeatureData) newData).parse(child);
	data.add(newData);
	}
	}
	}
	}
	private void parseRequires(Node node) {
	NodeList children = node.getChildNodes();
	for (int i = 0; i < children.getLength(); i++) {
	Node child = children.item(i);
	if (child.getNodeType() == Node.ELEMENT_NODE) {
	if (child.getNodeName().equalsIgnoreCase("import")) {
	IFeatureImport iimport = getModel().getFactory().createImport();
	((FeatureImport) iimport).parse(child);
	imports.add(iimport);
	}
	}
	}
	}

	public void computeImports() throws CoreException {
	IFeatureImport[] removed = null;
	if (imports.size() > 0)
	removed =
	(IFeatureImport[]) imports.toArray(new IFeatureImport[imports.size()]);
	imports.clear();
	if (removed != null)
	fireStructureChanged(removed, IModelChangedEvent.REMOVE);
	// Create full import list
	for (int i = 0; i < plugins.size(); i++) {
	IFeaturePlugin fp = (IFeaturePlugin) plugins.get(i);
	IPluginBase plugin =
	PDEPlugin.getDefault().findPlugin(fp.getId(), fp.getVersion(), 0);
	if (plugin != null) {
	addPluginImports(plugin);
	}
	}
	// Find plug-ins that satisfy requirements within this feature.
	// Whatever remains will be feature external requirements.
	Vector inputImports = (Vector) imports.clone();
	for (int i = 0; i < inputImports.size(); i++) {
	IFeatureImport iimport = (IFeatureImport) inputImports.get(i);
	IFeaturePlugin local =
	findFeaturePlugin(iimport.getId(), iimport.getVersion(), iimport.getMatch());
	if (local != null)
	imports.remove(iimport);
	}
	if (imports.size() > 0) {
	IFeatureImport[] added =
	(IFeatureImport[]) imports.toArray(new IFeatureImport[imports.size()]);
	fireStructureChanged(added, IModelChangedEvent.INSERT);
	}
	}

	private void addPluginImports(IPluginBase plugin) throws CoreException {
	IPluginImport[] pluginImports = plugin.getImports();
	for (int i = 0; i < pluginImports.length; i++) {
	IPluginImport pluginImport = pluginImports[i];
	String id = pluginImport.getId();
	String version = pluginImport.getVersion();
	int match = pluginImport.getMatch();
	// Don't add duplicates
	if (findImport(id, version, match) != null)
	continue;
	IFeatureImport iimport = getModel().getFactory().createImport();
	iimport.setId(id);
	iimport.setVersion(version);
	iimport.setMatch(match);
	imports.add(iimport);
	IPlugin p =
	PDEPlugin.getDefault().findPlugin(
	pluginImport.getId(),
	pluginImport.getVersion(),
	pluginImport.getMatch());
	((FeatureImport) iimport).setPlugin(p);
	/*
	if (p != null)
	addPluginImports(p);
	*/
	}
	}

	private IFeatureImport findImport(String id, String version, int match) {
	for (int i = 0; i < imports.size(); i++) {
	IFeatureImport iimport = (IFeatureImport) imports.get(i);
	if (iimport.getId().equals(id)) {
	if (version == null)
	return iimport;
	if (version.equals(iimport.getVersion()) && match == iimport.getMatch())
	return iimport;
	}
	}
	return null;
	}

	private IFeaturePlugin findFeaturePlugin(
	String id,
	String version,
	int match) {

	for (int i = 0; i < plugins.size(); i++) {
	IFeaturePlugin fp = (IFeaturePlugin) plugins.get(i);
	String pid = fp.getId();
	String pversion = fp.getVersion();
	if (PDEPlugin.compare(id, version, pid, pversion, match))
	return fp;
	}
	return null;
	}

	public void removePlugins(IFeaturePlugin[] removed) throws CoreException {
	ensureModelEditable();
	for (int i = 0; i < removed.length; i++)
	plugins.remove(removed[i]);
	fireStructureChanged(removed, IModelChangedEvent.REMOVE);
	}

	public void removeData(IFeatureData[] removed) throws CoreException {
	ensureModelEditable();
	for (int i = 0; i < removed.length; i++)
	data.remove(removed[i]);
	fireStructureChanged(removed, IModelChangedEvent.REMOVE);
	}
	public void removeImport(IFeatureImport iimport) throws CoreException {
	ensureModelEditable();
	imports.remove(iimport);
	fireStructureChanged(iimport, IModelChangedEvent.REMOVE);
	}

	public String getOS() {
	return os;
	}

	public String getWS() {
	return ws;
	}

	public String getNL() {
	return nl;
	}


	public String getArch() {
	return arch;
	}

	public void setOS(String os) throws CoreException {
	ensureModelEditable();
	Object oldValue = this.os;
	this.os = os;
	firePropertyChanged(P_OS, oldValue, os);
	}
	public void setWS(String ws) throws CoreException {
	ensureModelEditable();
	Object oldValue = this.ws;
	this.ws = ws;
	firePropertyChanged(P_WS, oldValue, ws);
	}
	public void setNL(String nl) throws CoreException {
	ensureModelEditable();
	Object oldValue = this.nl;
	this.nl = nl;
	firePropertyChanged(P_NL, oldValue, nl);
	}
	public void setArch(String arch) throws CoreException {
	ensureModelEditable();
	Object oldValue = this.arch;
	this.arch = arch;
	firePropertyChanged(P_ARCH, oldValue, arch);
	}

	public void reset() {
	super.reset();
	data.clear();
	plugins.clear();
	imports.clear();
	url = null;
	providerName = null;
	os = null;
	ws = null;
	nl = null;
	arch = null;
	infos[0] = null;
	infos[1] = null;
	infos[2] = null;
	}

	public void setProviderName(String providerName) throws CoreException {
	ensureModelEditable();
	Object oldValue = this.providerName;
	this.providerName = providerName;
	firePropertyChanged(P_PROVIDER, oldValue, providerName);
	}
	public void setURL(IFeatureURL url) throws CoreException {
	ensureModelEditable();
	Object oldValue = this.url;
	this.url = url;
	firePropertyChanged(P_URL, oldValue, url);
	}
	public void setInstallHandler(IFeatureInstallHandler handler)
	throws CoreException {
	ensureModelEditable();
	Object oldValue = this.handler;
	this.handler = handler;
	firePropertyChanged(P_INSTALL_HANDLER, oldValue, handler);
	}

	public IFeatureInfo getFeatureInfo(int index) {
	return infos[index];
	}

	public void setFeatureInfo(IFeatureInfo info, int index) throws CoreException {
	ensureModelEditable();
	Object oldValue = infos[index];
	infos[index] = info;
	String property;
	switch (index) {
	case INFO_DESCRIPTION :
	property = P_DESCRIPTION;
	break;
	case INFO_LICENSE :
	property = P_LICENSE;
	break;
	case INFO_COPYRIGHT :
	property = P_COPYRIGHT;
	break;
	default :
	return;
	}
	firePropertyChanged(property, oldValue, info);
	}

	public void write(String indent, PrintWriter writer) {
	writer.print(indent + "<feature");
	String indent2 = indent + INDENT;
	String indenta = indent + INDENT + INDENT;
	writeIfDefined(indenta, writer, "id", getId());
	writeIfDefined(indenta, writer, "label", getWritableString(getLabel()));
	writeIfDefined(indenta, writer, "version", getVersion());
	writeIfDefined(
	indenta,
	writer,
	"provider-name",
	getWritableString(providerName));
	writeIfDefined(indenta, writer, "os", os);
	writeIfDefined(indenta, writer, "ws", ws);
	writeIfDefined(indenta, writer, "nl", nl);
	writeIfDefined(indenta, writer, "arch", arch);
	if (isPrimary()) {
	writer.println();
	writer.print(indenta + "primary=\"true\"");
	}

	writer.println(">");
	if (handler != null) {
	writer.println();
	handler.write(indent2, writer);
	}

	for (int i = 0; i < 3; i++) {
	IFeatureInfo info = infos[i];
	if (info != null && !info.isEmpty())
	info.write(indent2, writer);
	}

	if (url != null) {
	writer.println();
	url.write(indent2, writer);
	}
	if (imports.size() > 0) {
	writer.println();
	writer.println(indent2 + "<requires>");
	for (int i = 0; i < imports.size(); i++) {
	IFeatureImport iimport = (IFeatureImport) imports.get(i);
	iimport.write(indenta, writer);
	}
	writer.println(indent2 + "</requires>");
	}
	for (int i = 0; i < plugins.size(); i++) {
	IFeaturePlugin plugin = (IFeaturePlugin) plugins.elementAt(i);
	writer.println();
	plugin.write(indent2, writer);
	}
	for (int i = 0; i < data.size(); i++) {
	IFeatureData entry = (IFeatureData) data.elementAt(i);
	writer.println();
	entry.write(indent2, writer);
	}
	writer.println();
	writer.println(indent + "</feature>");
	}
	private void writeIfDefined(
	String indent,
	PrintWriter writer,
	String attName,
	String attValue) {
	if (attValue == null)
	return;
	writer.println();
	writer.print(indent + attName + "=\"" + attValue + "\"");
	}
	}