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Tomcat example source code file (ServletOutputStream.java)
The Tomcat ServletOutputStream.java source code/* * 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 javax.servlet; import java.io.OutputStream; import java.io.IOException; import java.io.CharConversionException; import java.text.MessageFormat; import java.util.ResourceBundle; /** * Provides an output stream for sending binary data to the * client. A <code>ServletOutputStream object is normally retrieved * via the {@link ServletResponse#getOutputStream} method. * * <p>This is an abstract class that the servlet container implements. * Subclasses of this class * must implement the <code>java.io.OutputStream.write(int) * method. * * * @author Various * @version $Version$ * * @see ServletResponse * */ public abstract class ServletOutputStream extends OutputStream { private static final String LSTRING_FILE = "javax.servlet.LocalStrings"; private static ResourceBundle lStrings = ResourceBundle.getBundle(LSTRING_FILE); /** * * Does nothing, because this is an abstract class. * */ protected ServletOutputStream() { } /** * Writes a <code>String to the client, * without a carriage return-line feed (CRLF) * character at the end. * * * @param s the <code>String to send to the client * * @exception IOException if an input or output exception occurred * */ public void print(String s) throws IOException { if (s==null) s="null"; int len = s.length(); for (int i = 0; i < len; i++) { char c = s.charAt (i); // // XXX NOTE: This is clearly incorrect for many strings, // but is the only consistent approach within the current // servlet framework. It must suffice until servlet output // streams properly encode their output. // if ((c & 0xff00) != 0) { // high order byte must be zero String errMsg = lStrings.getString("err.not_iso8859_1"); Object[] errArgs = new Object[1]; errArgs[0] = new Character(c); errMsg = MessageFormat.format(errMsg, errArgs); throw new CharConversionException(errMsg); } write (c); } } /** * Writes a <code>boolean value to the client, * with no carriage return-line feed (CRLF) * character at the end. * * @param b the <code>boolean value * to send to the client * * @exception IOException if an input or output exception occurred * */ public void print(boolean b) throws IOException { String msg; if (b) { msg = lStrings.getString("value.true"); } else { msg = lStrings.getString("value.false"); } print(msg); } /** * Writes a character to the client, * with no carriage return-line feed (CRLF) * at the end. * * @param c the character to send to the client * * @exception IOException if an input or output exception occurred * */ public void print(char c) throws IOException { print(String.valueOf(c)); } /** * * Writes an int to the client, * with no carriage return-line feed (CRLF) * at the end. * * @param i the int to send to the client * * @exception IOException if an input or output exception occurred * */ public void print(int i) throws IOException { print(String.valueOf(i)); } /** * * Writes a <code>long value to the client, * with no carriage return-line feed (CRLF) at the end. * * @param l the <code>long value * to send to the client * * @exception IOException if an input or output exception * occurred * */ public void print(long l) throws IOException { print(String.valueOf(l)); } /** * * Writes a <code>float value to the client, * with no carriage return-line feed (CRLF) at the end. * * @param f the <code>float value * to send to the client * * @exception IOException if an input or output exception occurred * * */ public void print(float f) throws IOException { print(String.valueOf(f)); } /** * * Writes a <code>double value to the client, * with no carriage return-line feed (CRLF) at the end. * * @param d the <code>double value * to send to the client * * @exception IOException if an input or output exception occurred * */ public void print(double d) throws IOException { print(String.valueOf(d)); } /** * Writes a carriage return-line feed (CRLF) * to the client. * * * * @exception IOException if an input or output exception occurred * */ public void println() throws IOException { print("\r\n"); } /** * Writes a <code>String to the client, * followed by a carriage return-line feed (CRLF). * * * @param s the <code>String to write to the client * * @exception IOException if an input or output exception occurred * */ public void println(String s) throws IOException { print(s); println(); } /** * * Writes a <code>boolean value to the client, * followed by a * carriage return-line feed (CRLF). * * * @param b the <code>boolean value * to write to the client * * @exception IOException if an input or output exception occurred * */ public void println(boolean b) throws IOException { print(b); println(); } /** * * Writes a character to the client, followed by a carriage * return-line feed (CRLF). * * @param c the character to write to the client * * @exception IOException if an input or output exception occurred * */ public void println(char c) throws IOException { print(c); println(); } /** * * Writes an int to the client, followed by a * carriage return-line feed (CRLF) character. * * * @param i the int to write to the client * * @exception IOException if an input or output exception occurred * */ public void println(int i) throws IOException { print(i); println(); } /** * * Writes a <code>long value to the client, followed by a * carriage return-line feed (CRLF). * * * @param l the <code>long value to write to the client * * @exception IOException if an input or output exception occurred * */ public void println(long l) throws IOException { print(l); println(); } /** * * Writes a <code>float value to the client, * followed by a carriage return-line feed (CRLF). * * @param f the <code>float value * to write to the client * * * @exception IOException if an input or output exception * occurred * */ public void println(float f) throws IOException { print(f); println(); } /** * * Writes a <code>double value to the client, * followed by a carriage return-line feed (CRLF). * * * @param d the <code>double value * to write to the client * * @exception IOException if an input or output exception occurred * */ public void println(double d) throws IOException { print(d); println(); } } Other Tomcat examples (source code examples)Here is a short list of links related to this Tomcat ServletOutputStream.java source code file: |
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