/*
* Copyright 2009 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.soyc.io;
import com.google.gwt.core.ext.linker.SyntheticArtifact;
import com.google.gwt.core.linker.SoycReportLinker;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.List;
/**
* An {@link OutputDirectory} that writes its output as a list of GWT compiler
* artifacts.
*/
public class ArtifactsOutputDirectory implements OutputDirectory {
public static final String COMPILE_REPORT_DIRECTORY = "compile-report";
/**
* An in-memory output stream. When it is closed, its contents are saved to an
* artifact.
*/
private class OutputStreamForArtifact extends OutputStream {
private ByteArrayOutputStream baos = new ByteArrayOutputStream();
private boolean closed = false;
private final String path;
public OutputStreamForArtifact(String path) {
this.path = path;
}
@Override
public void close() {
if (!closed) {
closed = true;
SyntheticArtifact newArtifact = new SyntheticArtifact(
SoycReportLinker.class, COMPILE_REPORT_DIRECTORY + "/" + path,
baos.toByteArray());
newArtifact.setPrivate(false);
artifacts.add(newArtifact);
baos = null;
}
}
@Override
public void write(byte b[]) throws IOException {
baos.write(b);
}
@Override
public void write(byte b[], int off, int len) throws IOException {
baos.write(b, off, len);
}
@Override
public void write(int b) throws IOException {
baos.write(b);
}
}
private List<SyntheticArtifact> artifacts = new ArrayList<SyntheticArtifact>();
/**
* Return the list of artifacts that have been written so far.
*/
public List<SyntheticArtifact> getArtifacts() {
return artifacts;
}
public OutputStream getOutputStream(String path) throws IOException {
return new OutputStreamForArtifact(path);
}
}