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com.querydsl.codegen.utils.MemJavaFileObject Maven / Gradle / Ivy
/*
* Copyright 2010, Mysema Ltd
*
* 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.querydsl.codegen.utils;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.URI;
import java.nio.charset.StandardCharsets;
import javax.tools.SimpleJavaFileObject;
/**
* MemJavaFileObject defines an in memory compiled Java file
*
* @author tiwe
*
*/
public class MemJavaFileObject extends SimpleJavaFileObject {
private ByteArrayOutputStream baos;
private final String name;
public MemJavaFileObject(String urlPrefix, String name, Kind kind) {
super(URI.create(urlPrefix + name + kind.extension), kind);
this.name = name;
}
@Override
public CharSequence getCharContent(boolean ignoreEncodingErrors) throws IOException {
if (baos == null) {
throw new FileNotFoundException(name);
}
return new String(baos.toByteArray(), StandardCharsets.UTF_8);
}
@Override
public String getName() {
return name;
}
public byte[] getByteArray() {
return baos.toByteArray();
}
@Override
public InputStream openInputStream() throws IOException {
if (baos == null) {
throw new FileNotFoundException(name);
}
return new ByteArrayInputStream(baos.toByteArray());
}
@Override
public OutputStream openOutputStream() throws IOException {
if (baos == null) {
baos = new ByteArrayOutputStream();
}
return baos;
}
}