Java tutorial
/* * CPAchecker is a tool for configurable software verification. * This file is part of CPAchecker. * * Copyright (C) 2007-2014 Dirk Beyer * All rights reserved. * * 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. * * * CPAchecker web page: * http://cpachecker.sosy-lab.org */ package org.sosy_lab.cpachecker.appengine.io; import java.io.ByteArrayInputStream; import java.io.IOException; import java.io.InputStreamReader; import java.io.Reader; import java.nio.charset.Charset; import org.sosy_lab.cpachecker.appengine.entity.TaskFile; import com.google.common.io.CharSource; public class DataStoreCharSource extends CharSource { private TaskFile file; private Charset charset; public DataStoreCharSource(TaskFile file, Charset charset) { this.file = file; this.charset = charset; } @Override public Reader openStream() throws IOException { if (charset == null) { charset = Charset.defaultCharset(); } return new InputStreamReader(new ByteArrayInputStream(file.getContent().getBytes()), charset); } }