/*
 * 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.catalina.connector;

import java.io.IOException;
import java.io.PrintWriter;

Coyote implementation of the servlet writer.
Author:Remy Maucherat
/** * Coyote implementation of the servlet writer. * * @author Remy Maucherat */
public class CoyoteWriter extends PrintWriter { // -------------------------------------------------------------- Constants private static final char[] LINE_SEP = System.lineSeparator().toCharArray(); // ----------------------------------------------------- Instance Variables protected OutputBuffer ob; protected boolean error = false; // ----------------------------------------------------------- Constructors public CoyoteWriter(OutputBuffer ob) { super(ob); this.ob = ob; } // --------------------------------------------------------- Public Methods
Prevent cloning the facade.
/** * Prevent cloning the facade. */
@Override protected Object clone() throws CloneNotSupportedException { throw new CloneNotSupportedException(); } // -------------------------------------------------------- Package Methods
Clear facade.
/** * Clear facade. */
void clear() { ob = null; }
Recycle.
/** * Recycle. */
void recycle() { error = false; } // --------------------------------------------------------- Writer Methods @Override public void flush() { if (error) { return; } try { ob.flush(); } catch (IOException e) { error = true; } } @Override public void close() { // We don't close the PrintWriter - super() is not called, // so the stream can be reused. We close ob. try { ob.close(); } catch (IOException ex ) { // Ignore } error = false; } @Override public boolean checkError() { flush(); return error; } @Override public void write(int c) { if (error) { return; } try { ob.write(c); } catch (IOException e) { error = true; } } @Override public void write(char buf[], int off, int len) { if (error) { return; } try { ob.write(buf, off, len); } catch (IOException e) { error = true; } } @Override public void write(char buf[]) { write(buf, 0, buf.length); } @Override public void write(String s, int off, int len) { if (error) { return; } try { ob.write(s, off, len); } catch (IOException e) { error = true; } } @Override public void write(String s) { write(s, 0, s.length()); } // ---------------------------------------------------- PrintWriter Methods @Override public void print(boolean b) { if (b) { write("true"); } else { write("false"); } } @Override public void print(char c) { write(c); } @Override public void print(int i) { write(String.valueOf(i)); } @Override public void print(long l) { write(String.valueOf(l)); } @Override public void print(float f) { write(String.valueOf(f)); } @Override public void print(double d) { write(String.valueOf(d)); } @Override public void print(char s[]) { write(s); } @Override public void print(String s) { if (s == null) { s = "null"; } write(s); } @Override public void print(Object obj) { write(String.valueOf(obj)); } @Override public void println() { write(LINE_SEP); } @Override public void println(boolean b) { print(b); println(); } @Override public void println(char c) { print(c); println(); } @Override public void println(int i) { print(i); println(); } @Override public void println(long l) { print(l); println(); } @Override public void println(float f) { print(f); println(); } @Override public void println(double d) { print(d); println(); } @Override public void println(char c[]) { print(c); println(); } @Override public void println(String s) { print(s); println(); } @Override public void println(Object o) { print(o); println(); } }