/*******************************************************************************
 * Copyright (c) 2005 Oracle Corporation.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *    Ian Trimble - initial API and implementation
 *******************************************************************************/ 
package org.eclipse.jst.jsf.core.internal.jsflibraryregistry.impl;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.URL;

import org.eclipse.core.resources.IWorkspace;
import org.eclipse.core.resources.IWorkspaceRoot;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.FileLocator;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Path;
import org.eclipse.core.runtime.Platform;
import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.common.notify.NotificationChain;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.InternalEObject;
import org.eclipse.emf.ecore.impl.ENotificationImpl;
import org.eclipse.emf.ecore.impl.EObjectImpl;
import org.eclipse.emf.ecore.util.EcoreUtil;
import org.eclipse.jst.jsf.core.internal.JSFCorePlugin;
import org.eclipse.jst.jsf.core.internal.Messages;
import org.eclipse.jst.jsf.core.internal.jsflibraryregistry.ArchiveFile;
import org.eclipse.jst.jsf.core.internal.jsflibraryregistry.JSFLibrary;
import org.eclipse.jst.jsf.core.internal.jsflibraryregistry.JSFLibraryRegistryPackage;
import org.eclipse.jst.jsf.core.internal.jsflibraryregistry.PluginProvidedJSFLibrary;
import org.eclipse.osgi.util.NLS;
import org.osgi.framework.Bundle;

/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>Archive File</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * <ul>
 *   <li>{@link org.eclipse.jst.jsf.core.internal.jsflibraryregistry.impl.ArchiveFileImpl#isRelativeToWorkspace <em>Relative To Workspace</em>}</li>
 *   <li>{@link org.eclipse.jst.jsf.core.internal.jsflibraryregistry.impl.ArchiveFileImpl#getSourceLocation <em>Source Location</em>}</li>
 *   <li>{@link org.eclipse.jst.jsf.core.internal.jsflibraryregistry.impl.ArchiveFileImpl#getRelativeDestLocation <em>Relative Dest Location</em>}</li>
 *   <li>{@link org.eclipse.jst.jsf.core.internal.jsflibraryregistry.impl.ArchiveFileImpl#getJSFLibrary <em>JSF Library</em>}</li>
 * </ul>
 * </p>
 *
 * @generated
 */
public class ArchiveFileImpl extends EObjectImpl implements ArchiveFile {
	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public static final String copyright = "Copyright (c) 2005 Oracle Corporation";

	/**
	 * The default value of the '{@link #isRelativeToWorkspace() <em>Relative To Workspace</em>}' attribute.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #isRelativeToWorkspace()
	 * @generated
	 * @ordered
	 */
	protected static final boolean RELATIVE_TO_WORKSPACE_EDEFAULT = true;

	/**
	 * The cached value of the '{@link #isRelativeToWorkspace() <em>Relative To Workspace</em>}' attribute.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #isRelativeToWorkspace()
	 * @generated
	 * @ordered
	 */
	protected boolean relativeToWorkspace = RELATIVE_TO_WORKSPACE_EDEFAULT;

	/**
	 * The default value of the '{@link #getSourceLocation() <em>Source Location</em>}' attribute.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getSourceLocation()
	 * @generated
	 * @ordered
	 */
	protected static final String SOURCE_LOCATION_EDEFAULT = null;

	/**
	 * The cached value of the '{@link #getSourceLocation() <em>Source Location</em>}' attribute.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getSourceLocation()
	 * @generated
	 * @ordered
	 */
	protected String sourceLocation = SOURCE_LOCATION_EDEFAULT;

	/**
	 * The default value of the '{@link #getRelativeDestLocation() <em>Relative Dest Location</em>}' attribute.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getRelativeDestLocation()
	 * @generated
	 * @ordered
	 */
	protected static final String RELATIVE_DEST_LOCATION_EDEFAULT = null;

	/**
	 * The cached value of the '{@link #getRelativeDestLocation() <em>Relative Dest Location</em>}' attribute.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getRelativeDestLocation()
	 * @generated
	 * @ordered
	 */
	protected String relativeDestLocation = RELATIVE_DEST_LOCATION_EDEFAULT;

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	protected ArchiveFileImpl() {
		super();
	}

	/**
	 * <!-- begin-user-doc -->
	 * @return the static eClass 
	 * <!-- end-user-doc -->
	 * @generated
	 */
	protected EClass eStaticClass() {
		return JSFLibraryRegistryPackage.Literals.ARCHIVE_FILE;
	}

	/**
	 * <!-- begin-user-doc -->
	 * @return the source location
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public String getSourceLocation() {
		return sourceLocation;
	}

	/**
	 * <!-- begin-user-doc -->
	 * Enhanced to not only set the location but also to attempt to determine
	 * if the location passed is relative to the current workspace. If so, only
	 * the relative location is stored. If not, the full location as passed is
	 * stored and the relativeToWorkspace property is set to false. To override
	 * this behaviour and set the absolute location as passed regardless, call
	 * setRelativeToWorkspace(false) BEFORE calling this method.
	 * 
	 * @param newSourceLocation 
	 *  
	 * <!-- end-user-doc -->
	 * @generated NOT
	 */
	public void setSourceLocation(String newSourceLocation) {
		String oldSourceLocation = sourceLocation;
		if (relativeToWorkspace) {
			IWorkspaceRoot workspaceRoot = getWorkspaceRoot();
			if (workspaceRoot != null) {
				IPath wsRootPath = workspaceRoot.getLocation();
				IPath srcPath = new Path(newSourceLocation);
				if (workspaceRoot.findMember(srcPath) != null) {
					sourceLocation = newSourceLocation;
				} else if (wsRootPath.isPrefixOf(srcPath)) {
					int segmentsMatched = wsRootPath.matchingFirstSegments(srcPath);
					srcPath = srcPath.removeFirstSegments(segmentsMatched).setDevice(null);
					sourceLocation = srcPath.toOSString();
				} else {
					sourceLocation = newSourceLocation;
					relativeToWorkspace = false;
				}
			}
		} else {
			sourceLocation = newSourceLocation;
		}
		if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, JSFLibraryRegistryPackage.ARCHIVE_FILE__SOURCE_LOCATION, oldSourceLocation, sourceLocation));
	}

	/**
	 * <!-- begin-user-doc -->
	 * @return true if file is relative to workspace 
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public boolean isRelativeToWorkspace() {
		return relativeToWorkspace;
	}

	/**
	 * <!-- begin-user-doc -->
	 * To override workspace-relative recognition behaviour, be sure to call
	 * this method with a false value BEFORE calling setLocation(String).
	 * @param newRelativeToWorkspace 
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setRelativeToWorkspace(boolean newRelativeToWorkspace) {
		boolean oldRelativeToWorkspace = relativeToWorkspace;
		relativeToWorkspace = newRelativeToWorkspace;
		if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, JSFLibraryRegistryPackage.ARCHIVE_FILE__RELATIVE_TO_WORKSPACE, oldRelativeToWorkspace, relativeToWorkspace));
	}

	/**
	 * <!-- begin-user-doc -->
	 * @return  the relative destination location 
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public String getRelativeDestLocation() {
		return relativeDestLocation;
	}

	/**
	 * <!-- begin-user-doc -->
	 * @param newRelativeDestLocation 
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setRelativeDestLocation(String newRelativeDestLocation) {
		String oldRelativeDestLocation = relativeDestLocation;
		relativeDestLocation = newRelativeDestLocation;
		if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, JSFLibraryRegistryPackage.ARCHIVE_FILE__RELATIVE_DEST_LOCATION, oldRelativeDestLocation, relativeDestLocation));
	}

	/**
	 * <!-- begin-user-doc -->
	 * @return the jsf library instance 
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public JSFLibrary getJSFLibrary() {
		if (eContainerFeatureID != JSFLibraryRegistryPackage.ARCHIVE_FILE__JSF_LIBRARY) return null;
		return (JSFLibrary)eContainer();
	}

	/**
	 * <!-- begin-user-doc -->
	 * @param newJSFLibrary 
	 * @param msgs 
	 * @return NotificationChain
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public NotificationChain basicSetJSFLibrary(JSFLibrary newJSFLibrary, NotificationChain msgs) {
		msgs = eBasicSetContainer((InternalEObject)newJSFLibrary, JSFLibraryRegistryPackage.ARCHIVE_FILE__JSF_LIBRARY, msgs);
		return msgs;
	}

	/**
	 * <!-- begin-user-doc -->
	 * @param newJSFLibrary 
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setJSFLibrary(JSFLibrary newJSFLibrary) {
		if (newJSFLibrary != eInternalContainer() || (eContainerFeatureID != JSFLibraryRegistryPackage.ARCHIVE_FILE__JSF_LIBRARY && newJSFLibrary != null)) {
			if (EcoreUtil.isAncestor(this, newJSFLibrary))
				throw new IllegalArgumentException("Recursive containment not allowed for " + toString());
			NotificationChain msgs = null;
			if (eInternalContainer() != null)
				msgs = eBasicRemoveFromContainer(msgs);
			if (newJSFLibrary != null)
				msgs = ((InternalEObject)newJSFLibrary).eInverseAdd(this, JSFLibraryRegistryPackage.JSF_LIBRARY__ARCHIVE_FILES, JSFLibrary.class, msgs);
			msgs = basicSetJSFLibrary(newJSFLibrary, msgs);
			if (msgs != null) msgs.dispatch();
		}
		else if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, JSFLibraryRegistryPackage.ARCHIVE_FILE__JSF_LIBRARY, newJSFLibrary, newJSFLibrary));
	}

	/**
	 * <!-- begin-user-doc -->
	 * @return the path 
	 * <!-- end-user-doc -->
	 * @generated NOT
	 */
	public String getPath() {
		String path = null;
		String resolvedSourceLocation = getResolvedSourceLocation();
		if (resolvedSourceLocation != null) {
			int iPos = resolvedSourceLocation.lastIndexOf('/');
			if (iPos < 0) {
				iPos = resolvedSourceLocation.lastIndexOf('\\');
			}
			if (iPos < 1) {
				path = ""; //$NON-NLS-1$
			} else {
				path = resolvedSourceLocation.substring(0, iPos);
			}
		}
		return path;
	}

	/**
	 * <!-- begin-user-doc -->
	 * @return the name 
	 * <!-- end-user-doc -->
	 * @generated NOT
	 */
	public String getName() {
		String name = null;
		String resolvedSourceLocation = getResolvedSourceLocation();
		if (resolvedSourceLocation != null) {
			int iPos = resolvedSourceLocation.lastIndexOf('/');
			if (iPos < 0) {
				iPos = resolvedSourceLocation.lastIndexOf('\\');
			}
			if (iPos < 0 || iPos == resolvedSourceLocation.length() - 1) {
				name = resolvedSourceLocation;
			} else {
				name = resolvedSourceLocation.substring(iPos + 1);
			}
		}
		return name;
	}

	/**
	 * <!-- begin-user-doc -->
	 * @return true if the archive file exists in the bundle 
	 * <!-- end-user-doc -->
	 * @generated NOT
	 */
	public boolean exists() {
		boolean exists = false;
		if (getJSFLibrary() instanceof PluginProvidedJSFLibrary) {
			Bundle bundle = getBundle();
			if (bundle != null) {
				exists = bundle.getEntry(sourceLocation) != null;
			}
		} else {
			String resolvedSourceLocation = getResolvedSourceLocation();
			if (resolvedSourceLocation != null) {
				exists = new File(resolvedSourceLocation).exists();
			}
		}
		return exists;
	}

	/**
	 * <!-- begin-user-doc -->
	 * @param object 
	 * @return true if equal 
	 * <!-- end-user-doc -->
	 * @generated NOT
	 */
	public boolean equals(Object object) {
		boolean equal = false;
		if (object instanceof ArchiveFile) {
			String resolvedSourceLocation = getResolvedSourceLocation();
			String objResolvedSourceLocation = ((ArchiveFile)object).getResolvedSourceLocation();
			if (resolvedSourceLocation == null && objResolvedSourceLocation == null) {
				equal = true;
			} else if (resolvedSourceLocation != null) {
				equal = resolvedSourceLocation.equals(objResolvedSourceLocation);
			}
		}
		return equal;
	}

	/**
	 * <!-- begin-user-doc -->
	 * @return a the resolved source location hash or 0 if it is null 
	 * <!-- end-user-doc -->
	 * @generated NOT
	 */
	public int hashCode() {
		return getResolvedSourceLocation() != null ? getResolvedSourceLocation().hashCode() : 0;
	}

	/**
	 * <!-- begin-user-doc -->
	 * @param baseDestLocation 
	 * @return true if the copy is successful
	 * <!-- end-user-doc -->
	 * @generated NOT
	 */
	public boolean copyTo(String baseDestLocation) {
		boolean copied = false;
		InputStream in = null;
		OutputStream out = null;
		IPath outPath = new Path(baseDestLocation);
		if (relativeDestLocation != null) {
			outPath = outPath.append(relativeDestLocation);
		}
		outPath = outPath.append(getName());
		try {
			if (!outPath.toFile().exists()) {
				out = new FileOutputStream(outPath.toOSString());
			} else {
				return copied;
			}
			if (getJSFLibrary() instanceof PluginProvidedJSFLibrary) {
				Bundle bundle = getBundle();
				URL inURL = bundle.getEntry(sourceLocation);
				if (inURL != null) {
					in = inURL.openStream();
				} else {
					JSFCorePlugin.log(
							IStatus.ERROR,
							NLS.bind(Messages.ArchiveFileImpl_CannotLocatePluginRelativeFile,
									sourceLocation));
					return copied;
				}
			} else {
				in = new FileInputStream(getResolvedSourceLocation());
			}
			byte[] buf = new byte[1024];
			int len = 0;
			while ((len = in.read(buf)) > 0) {
				out.write(buf, 0, len);
			}
			copied = true;
		} catch(FileNotFoundException fnfe) {
			JSFCorePlugin.log(IStatus.ERROR, Messages.ArchiveFileImpl_CannotCopyFile, fnfe);
		} catch(IOException ioe) {
			JSFCorePlugin.log(IStatus.ERROR, Messages.ArchiveFileImpl_CannotCopyFile, ioe);
		} finally {
			try {
				if (in != null) {
					in.close();
				}
				if (out != null) {
					out.close();
				}
			} catch(IOException ioe) {
				JSFCorePlugin.log(IStatus.WARNING, Messages.ArchiveFileImpl_CannotCloseFile, ioe);
			}
		}
		return copied;
	}

	/**
	 * <!-- begin-user-doc -->
	 * @return the resolved source location 
	 * <!-- end-user-doc -->
	 * @generated NOT
	 */
	public String getResolvedSourceLocation() {
		String resolvedSourceLocation = null;
		/**
		 * The implementation to support PluginProvidedJSFLibrary assume the following.
		 * 1. Plugin provided JSF library needs to be distributed as an expanded folder.
		 * 2. JARs for plugin provided JSF library need to reside inside the folder mentioned in item 1 above.
		 * 3. Each JAR needs to specify a relative path for the folder mentioned in item 1 above.
		 * 
		 * Fix for bug 144954.
		 */
		if (getJSFLibrary() instanceof PluginProvidedJSFLibrary) {
			Bundle bundle = getBundle();
			if (bundle != null) {
				//resolvedSourceLocation = appendSeparator(bundleLocation) + sourceLocation;
				try {
					Path srcPath = new Path(sourceLocation);
					URL fileURL = FileLocator.find(bundle, srcPath, null);
					if (fileURL != null){
						URL url = FileLocator.resolve(fileURL);
						resolvedSourceLocation = url.getPath();
					}
					else 
						resolvedSourceLocation = sourceLocation;
				} catch (IOException e) {
					resolvedSourceLocation = sourceLocation;
				}
			} else {
				resolvedSourceLocation = sourceLocation;
			}
		} else {
			if (isRelativeToWorkspace()) {
				IWorkspaceRoot workspaceRoot = getWorkspaceRoot();
				if (workspaceRoot != null) {
					String workspaceLocation = workspaceRoot.getLocation().toOSString();
					if (workspaceLocation != null) {
						resolvedSourceLocation = appendSeparator(workspaceLocation) + sourceLocation;
					} else {
						resolvedSourceLocation = sourceLocation;
					}
				} else {
					resolvedSourceLocation = sourceLocation;
				}
			} else {
				resolvedSourceLocation = sourceLocation;
			}
		}
		return resolvedSourceLocation;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public NotificationChain eInverseAdd(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
		switch (featureID) {
			case JSFLibraryRegistryPackage.ARCHIVE_FILE__JSF_LIBRARY:
				if (eInternalContainer() != null)
					msgs = eBasicRemoveFromContainer(msgs);
				return basicSetJSFLibrary((JSFLibrary)otherEnd, msgs);
		}
		return super.eInverseAdd(otherEnd, featureID, msgs);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
		switch (featureID) {
			case JSFLibraryRegistryPackage.ARCHIVE_FILE__JSF_LIBRARY:
				return basicSetJSFLibrary(null, msgs);
		}
		return super.eInverseRemove(otherEnd, featureID, msgs);
	}

	/**
	 * <!-- begin-user-doc -->
	 * @param msgs 
	 * @return NotificationChain
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public NotificationChain eBasicRemoveFromContainerFeature(NotificationChain msgs) {
		switch (eContainerFeatureID) {
			case JSFLibraryRegistryPackage.ARCHIVE_FILE__JSF_LIBRARY:
				return eInternalContainer().eInverseRemove(this, JSFLibraryRegistryPackage.JSF_LIBRARY__ARCHIVE_FILES, JSFLibrary.class, msgs);
		}
		return super.eBasicRemoveFromContainerFeature(msgs);
	}

	/**
	 * <!-- begin-user-doc -->
	 * @param featureID 
	 * @param resolve 
	 * @param coreType 
	 * @return 
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public Object eGet(int featureID, boolean resolve, boolean coreType) {
		switch (featureID) {
			case JSFLibraryRegistryPackage.ARCHIVE_FILE__RELATIVE_TO_WORKSPACE:
				return isRelativeToWorkspace() ? Boolean.TRUE : Boolean.FALSE;
			case JSFLibraryRegistryPackage.ARCHIVE_FILE__SOURCE_LOCATION:
				return getSourceLocation();
			case JSFLibraryRegistryPackage.ARCHIVE_FILE__RELATIVE_DEST_LOCATION:
				return getRelativeDestLocation();
			case JSFLibraryRegistryPackage.ARCHIVE_FILE__JSF_LIBRARY:
				return getJSFLibrary();
		}
		return super.eGet(featureID, resolve, coreType);
	}

	/**
	 * <!-- begin-user-doc -->
	 * @param featureID 
	 * @param newValue 
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void eSet(int featureID, Object newValue) {
		switch (featureID) {
			case JSFLibraryRegistryPackage.ARCHIVE_FILE__RELATIVE_TO_WORKSPACE:
				setRelativeToWorkspace(((Boolean)newValue).booleanValue());
				return;
			case JSFLibraryRegistryPackage.ARCHIVE_FILE__SOURCE_LOCATION:
				setSourceLocation((String)newValue);
				return;
			case JSFLibraryRegistryPackage.ARCHIVE_FILE__RELATIVE_DEST_LOCATION:
				setRelativeDestLocation((String)newValue);
				return;
			case JSFLibraryRegistryPackage.ARCHIVE_FILE__JSF_LIBRARY:
				setJSFLibrary((JSFLibrary)newValue);
				return;
		}
		super.eSet(featureID, newValue);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void eUnset(int featureID) {
		switch (featureID) {
			case JSFLibraryRegistryPackage.ARCHIVE_FILE__RELATIVE_TO_WORKSPACE:
				setRelativeToWorkspace(RELATIVE_TO_WORKSPACE_EDEFAULT);
				return;
			case JSFLibraryRegistryPackage.ARCHIVE_FILE__SOURCE_LOCATION:
				setSourceLocation(SOURCE_LOCATION_EDEFAULT);
				return;
			case JSFLibraryRegistryPackage.ARCHIVE_FILE__RELATIVE_DEST_LOCATION:
				setRelativeDestLocation(RELATIVE_DEST_LOCATION_EDEFAULT);
				return;
			case JSFLibraryRegistryPackage.ARCHIVE_FILE__JSF_LIBRARY:
				setJSFLibrary((JSFLibrary)null);
				return;
		}
		super.eUnset(featureID);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public boolean eIsSet(int featureID) {
		switch (featureID) {
			case JSFLibraryRegistryPackage.ARCHIVE_FILE__RELATIVE_TO_WORKSPACE:
				return relativeToWorkspace != RELATIVE_TO_WORKSPACE_EDEFAULT;
			case JSFLibraryRegistryPackage.ARCHIVE_FILE__SOURCE_LOCATION:
				return SOURCE_LOCATION_EDEFAULT == null ? sourceLocation != null : !SOURCE_LOCATION_EDEFAULT.equals(sourceLocation);
			case JSFLibraryRegistryPackage.ARCHIVE_FILE__RELATIVE_DEST_LOCATION:
				return RELATIVE_DEST_LOCATION_EDEFAULT == null ? relativeDestLocation != null : !RELATIVE_DEST_LOCATION_EDEFAULT.equals(relativeDestLocation);
			case JSFLibraryRegistryPackage.ARCHIVE_FILE__JSF_LIBRARY:
				return getJSFLibrary() != null;
		}
		return super.eIsSet(featureID);
	}

	/**
	 * Gets the Bundle instance by parent PluginProvidedJSFLibrary instance's
	 * pluginID property, if and only if the parent JSFLibrary instance IS a
	 * PluginProvidedJSFLibrary, else returns null.
	 * @return Bundle instance, or null if not located or applicable
	 */
	protected Bundle getBundle() {
		Bundle bundle = null;
		if (getJSFLibrary() instanceof PluginProvidedJSFLibrary) {
			String pluginID = ((PluginProvidedJSFLibrary)getJSFLibrary()).getPluginID();
			if (pluginID != null) {
				bundle = Platform.getBundle(pluginID);
			}
		}
		return bundle;
	}

	/**
	 * Gets the IWorkspaceRoot instance. 
	 * @return IWorkspaceRoot instance
	 */
	protected IWorkspaceRoot getWorkspaceRoot() {
		IWorkspaceRoot workspaceRoot = null;
		IWorkspace workspace = ResourcesPlugin.getWorkspace();
		if (workspace != null) {
			workspaceRoot = workspace.getRoot();
		}
		return workspaceRoot;
	}

	/**
	 * @param path
	 * @return the the path string with invalid path separators correctly fixed
	 */
	protected String appendSeparator(String path) {
		String newPath = null;
		if (!path.endsWith("\\") && !path.endsWith("/")) { //$NON-NLS-1$ //$NON-NLS-2$
			newPath = path + System.getProperty("file.separator"); //$NON-NLS-1$
		} else {
			newPath = path;
		}
		return newPath;
	}

	/**
	 * <!-- begin-user-doc -->
	 * @return the string representation of this archive file 
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public String toString() {
		if (eIsProxy()) return super.toString();

		StringBuffer result = new StringBuffer(super.toString());
		result.append(" (RelativeToWorkspace: ");
		result.append(relativeToWorkspace);
		result.append(", SourceLocation: ");
		result.append(sourceLocation);
		result.append(", RelativeDestLocation: ");
		result.append(relativeDestLocation);
		result.append(')');
		return result.toString();
	}

} //ArchiveFileImpl