| /******************************************************************************* |
| * Copyright (c) 2008, 2016 IBM Corporation and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.pde.api.tools.internal.model; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| |
| import org.eclipse.core.resources.IFile; |
| import org.eclipse.core.resources.IResource; |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.pde.api.tools.internal.provisional.ApiPlugin; |
| import org.eclipse.pde.api.tools.internal.provisional.model.IApiElement; |
| import org.eclipse.pde.api.tools.internal.provisional.model.IApiTypeRoot; |
| import org.eclipse.pde.api.tools.internal.util.Util; |
| |
| /** |
| * A class file corresponding to a resource in the workspace. |
| * |
| * @since 1.0 |
| */ |
| public class ResourceApiTypeRoot extends AbstractApiTypeRoot { |
| |
| /** |
| * Corresponding file |
| */ |
| private IFile fFile; |
| |
| // when class file is changed, the object is changed too |
| // can store the contents in the class field for optimisation. |
| byte[] fContents = null; |
| |
| private long modifiedTimeStamp = IResource.NULL_STAMP; |
| |
| /** |
| * Constructs an {@link IApiTypeRoot} on the underlying file. |
| * |
| * @param parent the {@link IApiElement} parent or <code>null</code> if none |
| * @param file underlying resource |
| * @param component API component the class file originates from |
| */ |
| public ResourceApiTypeRoot(IApiElement parent, IFile file, String typeName) { |
| super(parent, typeName); |
| fFile = file; |
| } |
| |
| @Override |
| public byte[] getContents() throws CoreException { |
| if (fContents != null && fFile.getModificationStamp() == modifiedTimeStamp && modifiedTimeStamp != IResource.NULL_STAMP) { |
| return fContents; |
| } |
| modifiedTimeStamp = fFile.getModificationStamp(); |
| InputStream stream = fFile.getContents(true); |
| try { |
| fContents = Util.getInputStreamAsByteArray(stream, -1); |
| return fContents; |
| } catch (IOException ioe) { |
| abort("Unable to read class file: " + getTypeName(), ioe); //$NON-NLS-1$ |
| return null; |
| } finally { |
| try { |
| stream.close(); |
| } catch (IOException e) { |
| ApiPlugin.log(e); |
| } |
| } |
| } |
| |
| @Override |
| public String getTypeName() { |
| return getName(); |
| } |
| |
| // public IFile getFile() { |
| // return fFile; |
| // } |
| |
| @Override |
| public String toString() { |
| return getTypeName(); |
| } |
| |
| @Override |
| public int hashCode() { |
| return getName().hashCode(); |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (obj instanceof IApiTypeRoot) { |
| IApiTypeRoot file = (IApiTypeRoot) obj; |
| return getName().equals(file.getTypeName()); |
| } |
| return super.equals(obj); |
| } |
| } |