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- /*
- * Copyright 2005 The Apache Software Foundation.
- *
- * 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.
- */
-
- /* $Id$ */
-
- package org.apache.fop.visual;
-
- import java.io.BufferedReader;
- import java.io.IOException;
- import java.io.InputStream;
- import java.io.Reader;
-
- /**
- * Redirects the content coming in through an InputStream using a separate thread to a
- * RedirectorLineHandler instance. The default text encoding is used.
- */
- public class StreamRedirector implements Runnable {
-
- private InputStream in;
- private RedirectorLineHandler handler;
- private Exception exception;
-
- /**
- * @param in the InputStream to read the content from
- * @param handler the handler that receives all the lines
- */
- public StreamRedirector(InputStream in, RedirectorLineHandler handler) {
- this.in = in;
- this.handler = handler;
- }
-
- /**
- * @return true if the run() method was terminated by an exception.
- */
- public boolean hasFailed() {
- return (this.exception != null);
- }
-
- /**
- * @return the exception if the run() method was terminated by an exception, or null
- */
- public Exception getException() {
- return this.exception;
- }
-
- /** @see java.lang.Runnable#run() */
- public void run() {
- this.exception = null;
- try {
- Reader inr = new java.io.InputStreamReader(in);
- BufferedReader br = new BufferedReader(inr);
- if (handler != null) {
- handler.notifyStart();
- }
- String line = null;
- while ((line = br.readLine()) != null) {
- if (handler != null) {
- handler.handleLine(line);
- }
- }
- if (handler != null) {
- handler.notifyStart();
- }
- } catch (IOException ioe) {
- this.exception = ioe;
- }
- }
- }
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