| /* |
| * Copyright 2008 Google Inc. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); you may not |
| * use this file except in compliance with the License. You may obtain a copy of |
| * the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
| * License for the specific language governing permissions and limitations under |
| * the License. |
| */ |
| package com.google.gwt.core.ext.linker; |
| |
| import com.google.gwt.core.ext.Linker; |
| import com.google.gwt.core.ext.TreeLogger; |
| import com.google.gwt.core.ext.UnableToCompleteException; |
| import com.google.gwt.dev.util.DiskCache; |
| |
| import java.io.ByteArrayInputStream; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.ObjectInputStream; |
| import java.io.ObjectOutputStream; |
| import java.io.OutputStream; |
| |
| /** |
| * Artifacts created by {@link AbstractLinker}. |
| */ |
| public class SyntheticArtifact extends EmittedArtifact { |
| private static final DiskCache diskCache = new DiskCache(); |
| |
| private final long lastModified; |
| private transient long token; |
| |
| public SyntheticArtifact(Class<? extends Linker> linkerType, |
| String partialPath, byte[] data) { |
| this(linkerType, partialPath, data, System.currentTimeMillis()); |
| } |
| |
| public SyntheticArtifact(Class<? extends Linker> linkerType, |
| String partialPath, byte[] data, long lastModified) { |
| super(linkerType, partialPath); |
| assert data != null; |
| this.lastModified = lastModified; |
| this.token = diskCache.writeByteArray(data); |
| } |
| |
| @Override |
| public InputStream getContents(TreeLogger logger) |
| throws UnableToCompleteException { |
| return new ByteArrayInputStream(diskCache.readByteArray(token)); |
| } |
| |
| @Override |
| public long getLastModified() { |
| return lastModified; |
| } |
| |
| @Override |
| public void writeTo(TreeLogger logger, OutputStream out) |
| throws UnableToCompleteException { |
| diskCache.transferToStream(token, out); |
| } |
| |
| private void readObject(ObjectInputStream stream) throws IOException, |
| ClassNotFoundException { |
| stream.defaultReadObject(); |
| token = diskCache.transferFromStream(stream); |
| } |
| |
| private void writeObject(ObjectOutputStream stream) throws IOException { |
| stream.defaultWriteObject(); |
| diskCache.transferToStream(token, stream); |
| } |
| } |