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SourceCodeWriter.java
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/
SourceCodeWriter.java
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/*
* Copyright 2011 Pierre-Yves Ricau (py.ricau at gmail.com)
*
* 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 info.piwai.buildergen.generation;
import java.io.IOException;
import java.io.OutputStream;
import javax.annotation.processing.Filer;
import javax.tools.JavaFileObject;
import com.sun.codemodel.CodeWriter;
import com.sun.codemodel.JPackage;
/**
* A binder between APT and CodeModel : CodeModel needs an {@link OutputStream} to
* generate sources. This {@link OutputStream} is opened using the APT {@link Filer} util.
*
* @author Pierre-Yves Ricau (py.ricau at gmail.com)
*/
public class SourceCodeWriter extends CodeWriter {
private final Filer filer;
public SourceCodeWriter(Filer filer) {
this.filer = filer;
}
@Override
public OutputStream openBinary(JPackage pkg, String fileName) throws IOException {
String qualifiedClassName = toQualifiedClassName(pkg, fileName);
JavaFileObject sourceFile = filer.createSourceFile(qualifiedClassName);
return sourceFile.openOutputStream();
}
private String toQualifiedClassName(JPackage pkg, String fileName) {
int suffixPosition = fileName.lastIndexOf('.');
String className = fileName.substring(0, suffixPosition);
String qualifiedClassName = pkg.name() + "." + className;
return qualifiedClassName;
}
@Override
public void close() throws IOException {
}
}