| /* |
| * 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.openjpa.jdbc.meta.strats; |
| |
| import java.io.ByteArrayInputStream; |
| import java.io.IOException; |
| import java.io.InputStream; |
| |
| /** |
| * This class is used to kwon where the content of the InputStream is load. |
| * If the content is load out of the flush then throws a |
| * UnsupportedOperationException |
| * |
| * @author Ignacio Andreu |
| * @since 1.1.0 |
| */ |
| |
| public class InputStreamWrapper extends InputStream { |
| |
| private InputStream is; |
| |
| public InputStreamWrapper(String s) { |
| this.is = new ByteArrayInputStream(s.getBytes()); |
| } |
| |
| public int read() throws IOException { |
| throw new UnsupportedOperationException(); |
| } |
| |
| public int available() throws IOException { |
| return is.available(); |
| } |
| |
| public void close() throws IOException { |
| is.close(); |
| } |
| |
| public int read(byte[] b, int off, int len) throws IOException { |
| StackTraceElement[] ste = Thread.currentThread().getStackTrace(); |
| for (StackTraceElement element : ste) { |
| if ("flush".equals(element.getMethodName())) { |
| return is.read(b, off, len); |
| } |
| } |
| throw new UnsupportedOperationException(); |
| } |
| |
| public int read(byte[] b) throws IOException { |
| throw new UnsupportedOperationException(); |
| } |
| } |