| /* |
| * 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. |
| */ |
| |
| /* |
| * This file is one of the source files for the examples contained in |
| * /src/site/xdoc/examples.xml |
| * It is not intended to be included in a source release. |
| */ |
| |
| import java.io.IOException; |
| import java.io.Reader; |
| |
| import org.apache.commons.pool2.ObjectPool; |
| |
| /** |
| * Maintains a pool of StringBuffers used to dump contents of Readers. |
| */ |
| public class ReaderUtil { |
| |
| private ObjectPool<StringBuffer> pool; |
| |
| public ReaderUtil(ObjectPool<StringBuffer> pool) { |
| this.pool = pool; |
| } |
| |
| /** |
| * Dumps the contents of the {@link Reader} to a String, closing the {@link Reader} when done. |
| */ |
| public String readToString(Reader in) |
| throws IOException { |
| StringBuffer buf = null; |
| try { |
| buf = pool.borrowObject(); |
| for (int c = in.read(); c != -1; c = in.read()) { |
| buf.append((char) c); |
| } |
| return buf.toString(); |
| } catch (IOException e) { |
| throw e; |
| } catch (Exception e) { |
| throw new RuntimeException("Unable to borrow buffer from pool" + e.toString()); |
| } finally { |
| try { |
| in.close(); |
| } catch (Exception e) { |
| // ignored |
| } |
| try { |
| if (null != buf) { |
| pool.returnObject(buf); |
| } |
| } catch (Exception e) { |
| // ignored |
| } |
| } |
| } |
| } |