diff options
Diffstat (limited to 'libjava/java/io/PrintWriter.java')
| -rw-r--r-- | libjava/java/io/PrintWriter.java | 571 |
1 files changed, 0 insertions, 571 deletions
diff --git a/libjava/java/io/PrintWriter.java b/libjava/java/io/PrintWriter.java deleted file mode 100644 index 5fd0b162f31..00000000000 --- a/libjava/java/io/PrintWriter.java +++ /dev/null @@ -1,571 +0,0 @@ -/* PrintWriter.java -- prints primitive values and objects to a stream as text - Copyright (C) 1998, 1999, 2000, 2001 Free Software Foundation - -This file is part of GNU Classpath. - -GNU Classpath is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2, or (at your option) -any later version. - -GNU Classpath is distributed in the hope that it will be useful, but -WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -General Public License for more details. - -You should have received a copy of the GNU General Public License -along with GNU Classpath; see the file COPYING. If not, write to the -Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA -02110-1301 USA. - -Linking this library statically or dynamically with other modules is -making a combined work based on this library. Thus, the terms and -conditions of the GNU General Public License cover the whole -combination. - -As a special exception, the copyright holders of this library give you -permission to link this library with independent modules to produce an -executable, regardless of the license terms of these independent -modules, and to copy and distribute the resulting executable under -terms of your choice, provided that you also meet, for each linked -independent module, the terms and conditions of the license of that -module. An independent module is a module which is not derived from -or based on this library. If you modify this library, you may extend -this exception to your version of the library, but you are not -obligated to do so. If you do not wish to do so, delete this -exception statement from your version. */ - -package java.io; - -/* Written using "Java Class Libraries", 2nd edition, plus online - * API docs for JDK 1.2 beta from http://www.javasoft.com. - * Status: Believed complete and correct. - * However, should use native methods for conversion. - */ - -/** - * This class prints Java primitive values and objects to a stream as - * text. None of the methods in this class throw an exception. However, - * errors can be detected by calling the <code>checkError()</code> method. - * Additionally, this stream can be designated as "autoflush" when - * created so that any writes are automatically flushed to the underlying - * output sink whenever one of the <code>println</code> methods is - * called. (Note that this differs from the <code>PrintStream</code> - * class which also auto-flushes when it encounters a newline character - * in the chars written). - * - * @author Per Bothner (bothner@cygnus.com) - * @author Aaron M. Renn (arenn@urbanophile.com) - * @date April 17, 1998. - */ -public class PrintWriter extends Writer -{ - /** - * <code>true</code> if auto-flush is enabled, <code>false</code> otherwise - */ - private boolean autoflush; - - /** - * This boolean indicates whether or not an error has ever occurred - * on this stream. - */ - private boolean error; - - /** - * This is the underlying <code>Writer</code> we are sending output - * to - */ - protected Writer out; - - /** - * This method intializes a new <code>PrintWriter</code> object to write - * to the specified output sink. The form of the constructor does not - * enable auto-flush functionality. - * - * @param wr The <code>Writer</code> to write to. - */ - public PrintWriter(Writer wr) - { - super(wr.lock); - this.out = wr; - } - - /** - * This method intializes a new <code>PrintWriter</code> object to write - * to the specified output sink. This constructor also allows "auto-flush" - * functionality to be specified where the stream will be flushed after - * every line is terminated or newline character is written. - * - * @param wr The <code>Writer</code> to write to. - * @param autoflush <code>true</code> to flush the stream after every - * line, <code>false</code> otherwise - */ - public PrintWriter(Writer wr, boolean autoflush) - { - super(wr.lock); - this.out = wr; - this.autoflush = autoflush; - } - - /** - * This method initializes a new <code>PrintWriter</code> object to write - * to the specified <code>OutputStream</code>. Characters will be converted - * to chars using the system default encoding. Auto-flush functionality - * will not be enabled. - * - * @param out The <code>OutputStream</code> to write to - */ - public PrintWriter(OutputStream out) - { - super(); - this.out = new OutputStreamWriter(out); - this.lock = this.out; - } - - /** - * This method initializes a new <code>PrintWriter</code> object to write - * to the specified <code>OutputStream</code>. Characters will be converted - * to chars using the system default encoding. This form of the - * constructor allows auto-flush functionality to be enabled if desired - * - * @param out The <code>OutputStream</code> to write to - * @param autoflush <code>true</code> to flush the stream after every - * <code>println</code> call, <code>false</code> otherwise. - */ - public PrintWriter(OutputStream out, boolean autoflush) - { - this(out); - this.autoflush = autoflush; - } - - /** - * This method can be called by subclasses to indicate that an error - * has occurred and should be reported by <code>checkError</code>. - */ - protected void setError() - { - error = true; - } - - /** - * This method checks to see if an error has occurred on this stream. Note - * that once an error has occurred, this method will continue to report - * <code>true</code> forever for this stream. Before checking for an - * error condition, this method flushes the stream. - * - * @return <code>true</code> if an error has occurred, - * <code>false</code> otherwise - */ - public boolean checkError() - { - flush(); - return error; - } - - /** - * This method flushes any buffered chars to the underlying stream and - * then flushes that stream as well. - */ - public void flush() - { - try - { - out.flush(); - } - catch (IOException ex) - { - error = true; - } - } - - /** - * This method closes this stream and all underlying streams. - */ - public void close() - { - try - { - out.close(); - } - catch (IOException ex) - { - error = true; - } - } - - /** - * This method prints a <code>String</code> to the stream. The actual - * value printed depends on the system default encoding. - * - * @param str The <code>String</code> to print. - */ - public void print(String str) - { - write(str == null ? "null" : str); - } - - /** - * This method prints a char to the stream. The actual value printed is - * determined by the character encoding in use. - * - * @param ch The <code>char</code> value to be printed - */ - public void print(char ch) - { - write((int) ch); - } - - /** - * This method prints an array of characters to the stream. The actual - * value printed depends on the system default encoding. - * - * @param charArray The array of characters to print. - */ - public void print(char[] charArray) - { - write(charArray, 0, charArray.length); - } - - /** - * This methods prints a boolean value to the stream. <code>true</code> - * values are printed as "true" and <code>false</code> values are printed - * as "false". - * - * @param bool The <code>boolean</code> value to print - */ - public void print(boolean bool) - { - // We purposely call write() and not print() here. This preserves - // compatibility with JDK 1.2. - write (bool ? "true" : "false"); - } - - /** - * This method prints an integer to the stream. The value printed is - * determined using the <code>String.valueOf()</code> method. - * - * @param inum The <code>int</code> value to be printed - */ - public void print(int inum) - { - // We purposely call write() and not print() here. This preserves - // compatibility with JDK 1.2. - write(Integer.toString(inum)); - } - - /** - * This method prints a long to the stream. The value printed is - * determined using the <code>String.valueOf()</code> method. - * - * @param lnum The <code>long</code> value to be printed - */ - public void print(long lnum) - { - // We purposely call write() and not print() here. This preserves - // compatibility with JDK 1.2. - write(Long.toString(lnum)); - } - - /** - * This method prints a float to the stream. The value printed is - * determined using the <code>String.valueOf()</code> method. - * - * @param fnum The <code>float</code> value to be printed - */ - public void print(float fnum) - { - // We purposely call write() and not print() here. This preserves - // compatibility with JDK 1.2. - write(Float.toString(fnum)); - } - - /** - * This method prints a double to the stream. The value printed is - * determined using the <code>String.valueOf()</code> method. - * - * @param dnum The <code>double</code> value to be printed - */ - public void print(double dnum) - { - // We purposely call write() and not print() here. This preserves - // compatibility with JDK 1.2. - write(Double.toString(dnum)); - } - - /** - * This method prints an <code>Object</code> to the stream. The actual - * value printed is determined by calling the <code>String.valueOf()</code> - * method. - * - * @param obj The <code>Object</code> to print. - */ - public void print(Object obj) - { - // We purposely call write() and not print() here. This preserves - // compatibility with JDK 1.2. - write(obj == null ? "null" : obj.toString()); - } - - /** - * This is the system dependent line separator - */ - private static final char[] line_separator - = System.getProperty("line.separator").toCharArray(); - - /** - * This method prints a line separator sequence to the stream. The value - * printed is determined by the system property <xmp>line.separator</xmp> - * and is not necessarily the Unix '\n' newline character. - */ - public void println() - { - synchronized (lock) - { - try - { - write(line_separator, 0, line_separator.length); - if (autoflush) - out.flush(); - } - catch (IOException ex) - { - error = true; - } - } - } - - /** - * This methods prints a boolean value to the stream. <code>true</code> - * values are printed as "true" and <code>false</code> values are printed - * as "false". - * - * This method prints a line termination sequence after printing the value. - * - * @param bool The <code>boolean</code> value to print - */ - public void println(boolean bool) - { - synchronized (lock) - { - print(bool); - println(); - } - } - - /** - * This method prints an integer to the stream. The value printed is - * determined using the <code>String.valueOf()</code> method. - * - * This method prints a line termination sequence after printing the value. - * - * @param inum The <code>int</code> value to be printed - */ - public void println(int inum) - { - synchronized (lock) - { - print(inum); - println(); - } - } - - /** - * This method prints a long to the stream. The value printed is - * determined using the <code>String.valueOf()</code> method. - * - * This method prints a line termination sequence after printing the value. - * - * @param lnum The <code>long</code> value to be printed - */ - public void println(long lnum) - { - synchronized (lock) - { - print(lnum); - println(); - } - } - - /** - * This method prints a float to the stream. The value printed is - * determined using the <code>String.valueOf()</code> method. - * - * This method prints a line termination sequence after printing the value. - * - * @param fnum The <code>float</code> value to be printed - */ - public void println(float fnum) - { - synchronized (lock) - { - print(fnum); - println(); - } - } - - /** - * This method prints a double to the stream. The value printed is - * determined using the <code>String.valueOf()</code> method. - * - * This method prints a line termination sequence after printing the value. - * - * @param dnum The <code>double</code> value to be printed - */ - public void println(double dnum) - { - synchronized (lock) - { - print(dnum); - println(); - } - } - - /** - * This method prints an <code>Object</code> to the stream. The actual - * value printed is determined by calling the <code>String.valueOf()</code> - * method. - * - * This method prints a line termination sequence after printing the value. - * - * @param obj The <code>Object</code> to print. - */ - public void println(Object obj) - { - synchronized (lock) - { - print(obj); - println(); - } - } - - /** - * This method prints a <code>String</code> to the stream. The actual - * value printed depends on the system default encoding. - * - * This method prints a line termination sequence after printing the value. - * - * @param str The <code>String</code> to print. - */ - public void println(String str) - { - synchronized (lock) - { - print(str); - println(); - } - } - - /** - * This method prints a char to the stream. The actual value printed is - * determined by the character encoding in use. - * - * This method prints a line termination sequence after printing the value. - * - * @param ch The <code>char</code> value to be printed - */ - public void println(char ch) - { - synchronized (lock) - { - print(ch); - println(); - } - } - - /** - * This method prints an array of characters to the stream. The actual - * value printed depends on the system default encoding. - * - * This method prints a line termination sequence after printing the value. - * - * @param charArray The array of characters to print. - */ - public void println(char[] charArray) - { - synchronized (lock) - { - print(charArray); - println(); - } - } - - /** - * This method writes a single char to the stream. - * - * @param ch The char to be written, passed as a int - */ - public void write(int ch) - { - try - { - out.write(ch); - } - catch (IOException ex) - { - error = true; - } - } - - /** - * This method writes <code>count</code> chars from the specified array - * starting at index <code>offset</code> into the array. - * - * @param charArray The array of chars to write - * @param offset The index into the array to start writing from - * @param count The number of chars to write - */ - public void write(char[] charArray, int offset, int count) - { - try - { - out.write(charArray, offset, count); - } - catch (IOException ex) - { - error = true; - } - } - - /** - * This method writes <code>count</code> chars from the specified - * <code>String</code> to the output starting at character position - * <code>offset</code> into the <code>String</code> - * - * @param str The <code>String</code> to write chars from - * @param offset The offset into the <code>String</code> to start writing from - * @param count The number of chars to write. - */ - public void write(String str, int offset, int count) - { - try - { - out.write(str, offset, count); - } - catch (IOException ex) - { - error = true; - } - } - - /** - * This method write all the chars in the specified array to the output. - * - * @param charArray The array of characters to write - */ - public void write(char[] charArray) - { - write(charArray, 0, charArray.length); - } - - /** - * This method writes the contents of the specified <code>String</code> - * to the underlying stream. - * - * @param str The <code>String</code> to write - */ - public void write(String str) - { - write(str, 0, str.length()); - } -} - |