/* | |
* Licensed to the Apache Software Foundation (ASF) under one | |
* or more contributor license agreements. See the NOTICE file | |
* distributed with this work for additional information | |
* regarding copyright ownership. The ASF licenses this file | |
* to you 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 org.apache.struts2.compiler; | |
import javax.tools.JavaFileObject; | |
import javax.tools.SimpleJavaFileObject; | |
import java.io.*; | |
import java.net.URI; | |
import java.net.URISyntaxException; | |
/** | |
* Captures the output of the java compiler in memory | |
*/ | |
public class MemoryJavaFileObject extends SimpleJavaFileObject { | |
private ByteArrayOutputStream out; | |
public MemoryJavaFileObject(String name, JavaFileObject.Kind kind) { | |
super(toURI(name), kind); | |
} | |
public InputStream openInputStream() throws IOException, | |
IllegalStateException, UnsupportedOperationException { | |
return new ByteArrayInputStream(out.toByteArray()); | |
} | |
public OutputStream openOutputStream() throws IOException, | |
IllegalStateException, UnsupportedOperationException { | |
return out = new ByteArrayOutputStream(); | |
} | |
private static URI toURI(String name) { | |
try { | |
return new URI(name); | |
} catch (URISyntaxException e) { | |
throw new RuntimeException(e); | |
} | |
} | |
public byte[] toByteArray() { | |
return out.toByteArray(); | |
} | |
} |