| /******************************************************************************* |
| * Copyright (c) 2000, 2015 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.jdt.internal.ui.javaeditor; |
| |
| |
| import java.io.File; |
| import java.io.FileOutputStream; |
| import java.io.IOException; |
| |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IPath; |
| import org.eclipse.core.runtime.Path; |
| |
| import org.eclipse.jface.resource.ImageDescriptor; |
| |
| import org.eclipse.ui.IMemento; |
| import org.eclipse.ui.IPathEditorInput; |
| import org.eclipse.ui.IPersistableElement; |
| |
| import org.eclipse.jdt.core.IClassFile; |
| import org.eclipse.jdt.core.IJavaElement; |
| import org.eclipse.jdt.core.JavaModelException; |
| |
| import org.eclipse.jdt.internal.ui.JavaPlugin; |
| import org.eclipse.jdt.internal.ui.JavaPluginImages; |
| |
| |
| /** |
| * Class file considered as editor input. |
| */ |
| public class InternalClassFileEditorInput implements IClassFileEditorInput, IPersistableElement, IPathEditorInput { |
| |
| private IClassFile fClassFile; |
| |
| private IPath fPath; |
| |
| public InternalClassFileEditorInput(IClassFile classFile) { |
| fClassFile= classFile; |
| } |
| |
| /* |
| * @see Object#equals(Object) |
| */ |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) |
| return true; |
| if (!(obj instanceof InternalClassFileEditorInput)) |
| return false; |
| InternalClassFileEditorInput other= (InternalClassFileEditorInput) obj; |
| return fClassFile.equals(other.fClassFile); |
| } |
| |
| /* |
| * @see Object#hashCode |
| */ |
| @Override |
| public int hashCode() { |
| return fClassFile.hashCode(); |
| } |
| |
| /* |
| * @see IClassFileEditorInput#getClassFile() |
| */ |
| @Override |
| public IClassFile getClassFile() { |
| return fClassFile; |
| } |
| |
| /* |
| * @see IEditorInput#getPersistable() |
| */ |
| @Override |
| public IPersistableElement getPersistable() { |
| return this; |
| } |
| |
| /* |
| * @see IEditorInput#getName() |
| */ |
| @Override |
| public String getName() { |
| return fClassFile.getElementName(); |
| } |
| |
| /* |
| * @see IEditorInput#getToolTipText() |
| */ |
| @Override |
| public String getToolTipText() { |
| return fClassFile.getType().getFullyQualifiedName(); |
| } |
| |
| /* |
| * @see IEditorInput#getImageDescriptor() |
| */ |
| @Override |
| public ImageDescriptor getImageDescriptor() { |
| try { |
| if (fClassFile.isClass()) |
| return JavaPluginImages.DESC_OBJS_CFILECLASS; |
| return JavaPluginImages.DESC_OBJS_CFILEINT; |
| } catch (JavaModelException e) { |
| // fall through |
| } |
| return JavaPluginImages.DESC_OBJS_CFILE; |
| } |
| |
| /* |
| * @see IEditorInput#exists() |
| */ |
| @Override |
| public boolean exists() { |
| return fClassFile.exists(); |
| } |
| |
| @Override |
| @SuppressWarnings("unchecked") |
| public <T> T getAdapter(Class<T> adapter) { |
| if (adapter == IClassFile.class) |
| return (T) fClassFile; |
| else if (adapter == IJavaElement.class) |
| return (T) fClassFile; |
| return null; |
| } |
| |
| /* |
| * @see IPersistableElement#saveState(IMemento) |
| */ |
| @Override |
| public void saveState(IMemento memento) { |
| ClassFileEditorInputFactory.saveState(memento, this); |
| } |
| |
| /* |
| * @see IPersistableElement#getFactoryId() |
| */ |
| @Override |
| public String getFactoryId() { |
| return ClassFileEditorInputFactory.ID; |
| } |
| |
| /* |
| * @see org.eclipse.ui.IPathEditorInput#getPath() |
| * @since 3.7 |
| */ |
| @Override |
| public IPath getPath() { |
| if (fPath == null) |
| fPath= writeToTempFile(fClassFile); |
| return fPath; |
| } |
| |
| private static IPath writeToTempFile(IClassFile classFile) { |
| FileOutputStream writer= null; |
| try { |
| File file= File.createTempFile(classFile.getElementName(), ".class"); //$NON-NLS-1$ |
| byte[] bytes= classFile.getBytes(); |
| writer= new FileOutputStream(file); |
| writer.write(bytes); |
| return new Path(file.toString()); |
| } catch (IOException e) { |
| JavaPlugin.log(e); |
| } catch (CoreException e) { |
| JavaPlugin.log(e.getStatus()); |
| } finally { |
| if (writer != null) |
| try { |
| writer.close(); |
| } catch (IOException e) { |
| JavaPlugin.log(e); |
| } |
| } |
| throw new IllegalArgumentException("Could not create temporary file."); //$NON-NLS-1$ |
| } |
| |
| } |
| |
| |