| /* |
| * 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.axiom.om.impl.common.factory.meta; |
| |
| import java.io.IOException; |
| import java.io.InputStreamReader; |
| import java.io.OutputStreamWriter; |
| import java.io.Reader; |
| import java.io.Writer; |
| import java.nio.CharBuffer; |
| import java.nio.charset.StandardCharsets; |
| |
| import org.apache.axiom.blob.Blobs; |
| import org.apache.axiom.blob.MemoryBlob; |
| import org.apache.axiom.om.OMException; |
| import org.apache.axiom.om.impl.common.builder.Detachable; |
| |
| final class DetachableReader extends Reader implements Detachable { |
| private Reader target; |
| |
| DetachableReader(Reader target) { |
| this.target = target; |
| } |
| |
| @Override |
| public int read(CharBuffer target) throws IOException { |
| return target.read(target); |
| } |
| |
| @Override |
| public int read() throws IOException { |
| return target.read(); |
| } |
| |
| @Override |
| public int read(char[] cbuf) throws IOException { |
| return target.read(cbuf); |
| } |
| |
| @Override |
| public int read(char[] cbuf, int off, int len) throws IOException { |
| return target.read(cbuf, off, len); |
| } |
| |
| @Override |
| public long skip(long n) throws IOException { |
| return target.skip(n); |
| } |
| |
| @Override |
| public boolean ready() throws IOException { |
| return target.ready(); |
| } |
| |
| @Override |
| public void close() throws IOException { |
| target.close(); |
| } |
| |
| @Override |
| public void detach() { |
| MemoryBlob blob = Blobs.createMemoryBlob(); |
| Writer out = new OutputStreamWriter(blob.getOutputStream(), StandardCharsets.UTF_8); |
| char[] buffer = new char[2048]; |
| int c; |
| try { |
| while ((c = target.read(buffer)) != -1) { |
| out.write(buffer, 0, c); |
| } |
| out.close(); |
| } catch (IOException ex) { |
| throw new OMException(ex); |
| } |
| target = new InputStreamReader(blob.readOnce(), StandardCharsets.UTF_8); |
| } |
| } |