/*******************************************************************************
* Copyright (c) 2009, 2011 IBM Corporation and others.
* 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:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.wst.xml.ui.internal.hyperlink;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import org.eclipse.core.resources.IStorage;
import org.eclipse.core.runtime.CoreException;
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.core.runtime.Status;
import org.eclipse.core.runtime.content.IContentType;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.jface.text.IRegion;
import org.eclipse.jface.text.hyperlink.IHyperlink;
import org.eclipse.jface.text.hyperlink.URLHyperlink;
import org.eclipse.osgi.util.NLS;
import org.eclipse.ui.IEditorDescriptor;
import org.eclipse.ui.IEditorInput;
import org.eclipse.ui.IPersistableElement;
import org.eclipse.ui.IStorageEditorInput;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.PartInitException;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.ide.IDE;
import org.eclipse.wst.sse.core.internal.util.JarUtilities;
import org.eclipse.wst.xml.core.internal.Logger;
import org.eclipse.wst.xml.ui.internal.XMLUIMessages;
import org.eclipse.wst.xml.ui.internal.XMLUIPlugin;
/**
* Hyperlink for URLs (opens in read-only mode)
*/
class URLStorageHyperlink implements IHyperlink {
// copies of this class exist in:
// org.eclipse.wst.xml.ui.internal.hyperlink
// org.eclipse.wst.html.ui.internal.hyperlink
// org.eclipse.jst.jsp.ui.internal.hyperlink
static class StorageEditorInput implements IStorageEditorInput {
IStorage fStorage = null;
StorageEditorInput(IStorage storage) {
fStorage = storage;
}
public IStorage getStorage() throws CoreException {
return fStorage;
}
public boolean exists() {
return fStorage != null;
}
public boolean equals(Object obj) {
if (obj instanceof StorageEditorInput) {
return fStorage.equals(((StorageEditorInput) obj).fStorage);
}
return super.equals(obj);
}
public ImageDescriptor getImageDescriptor() {
return null;
}
public String getName() {
return fStorage.getName();
}
public IPersistableElement getPersistable() {
return null;
}
public String getToolTipText() {
return fStorage.getFullPath() != null ? fStorage.getFullPath().toString() : fStorage.getName();
}
public Object getAdapter(Class adapter) {
return null;
}
}
static class URLStorage implements IStorage {
URL fURL = null;
URLStorage(URL url) {
fURL = url;
}
public boolean equals(Object obj) {
if (obj instanceof URLStorage) {
return fURL.equals(((URLStorage) obj).fURL);
}
return super.equals(obj);
}
public InputStream getContents() throws CoreException {
InputStream stream = null;
try {
if (fURL.toString().startsWith("jar:file"))
stream = JarUtilities.getInputStream(fURL);
else
stream = fURL.openStream();
}
catch (Exception e) {
throw new CoreException(new Status(IStatus.ERROR, XMLUIPlugin.getDefault().getBundle().getSymbolicName(), IStatus.ERROR, fURL.toString(), e));
}
return stream;
}
public IPath getFullPath() {
return new Path(fURL.toString());
}
public String getName() {
return new Path(fURL.getFile()).lastSegment();
}
public boolean isReadOnly() {
return true;
}
public Object getAdapter(Class adapter) {
return null;
}
}
private IRegion fRegion;
private URL fURL;
public URLStorageHyperlink(IRegion region, URL url) {
fRegion = region;
fURL = url;
}
public IRegion getHyperlinkRegion() {
return fRegion;
}
/*
* (non-Javadoc)
*
* @see org.eclipse.jface.text.hyperlink.IHyperlink#getTypeLabel()
*/
public String getTypeLabel() {
return null;
}
/*
* (non-Javadoc)
*
* @see org.eclipse.jface.text.hyperlink.IHyperlink#getHyperlinkText()
*/
public String getHyperlinkText() {
String path = fURL.toString();
if (path.length() > 60) {
path = path.substring(0, 25) + "..." + path.substring(path.length() - 25, path.length());
}
final String editorLabel = getEditorLabel();
if (editorLabel != null)
return NLS.bind(XMLUIMessages.Open_With, path, editorLabel);
return NLS.bind(XMLUIMessages.Open, path);
}
protected String getEditorLabel() {
IEditorDescriptor descriptor = getEditorDescriptor();
return descriptor != null ? descriptor.getLabel() : null;
}
private IEditorDescriptor getEditorDescriptor() {
final URLStorage storage = new URLStorage(fURL);
final String path = fURL.getPath();
String name = null;
if (path != null)
name = new Path(fURL.getPath()).lastSegment();
IContentType contentType= null;
try {
InputStream is = null;
try {
is = storage.getContents();
contentType= Platform.getContentTypeManager().findContentTypeFor(is, name);
} finally {
if (is != null) {
is.close();
}
}
} catch (CoreException ex) {
// continue without content type
} catch (IOException ex) {
// continue without content type
}
return PlatformUI.getWorkbench().getEditorRegistry().getDefaultEditor(name, contentType);
}
/*
* (non-Javadoc)
*
* @see org.eclipse.jface.text.hyperlink.IHyperlink#open()
*/
public void open() {
if (fURL != null) {
IEditorInput input = new StorageEditorInput(new URLStorage(fURL));
try {
final IEditorDescriptor descriptor = getEditorDescriptor();
if (descriptor != null) {
IWorkbenchPage page = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage();
IDE.openEditor(page, input, descriptor.getId(), true);
}
}
catch (PartInitException e) {
Logger.log(Logger.WARNING_DEBUG, e.getMessage(), e);
new URLHyperlink(fRegion, fURL.toString()).open();
}
}
}
}