001: /*
002: * $Id: printPasswd.java,v 1.8 2003/11/07 20:16:23 dfs Exp $
003: *
004: * ====================================================================
005: * The Apache Software License, Version 1.1
006: *
007: * Copyright (c) 2000 The Apache Software Foundation. All rights
008: * reserved.
009: *
010: * Redistribution and use in source and binary forms, with or without
011: * modification, are permitted provided that the following conditions
012: * are met:
013: *
014: * 1. Redistributions of source code must retain the above copyright
015: * notice, this list of conditions and the following disclaimer.
016: *
017: * 2. Redistributions in binary form must reproduce the above copyright
018: * notice, this list of conditions and the following disclaimer in
019: * the documentation and/or other materials provided with the
020: * distribution.
021: *
022: * 3. The end-user documentation included with the redistribution,
023: * if any, must include the following acknowledgment:
024: * "This product includes software developed by the
025: * Apache Software Foundation (http://www.apache.org/)."
026: * Alternately, this acknowledgment may appear in the software itself,
027: * if and wherever such third-party acknowledgments normally appear.
028: *
029: * 4. The names "Apache" and "Apache Software Foundation", "Jakarta-Oro"
030: * must not be used to endorse or promote products derived from this
031: * software without prior written permission. For written
032: * permission, please contact apache@apache.org.
033: *
034: * 5. Products derived from this software may not be called "Apache"
035: * or "Jakarta-Oro", nor may "Apache" or "Jakarta-Oro" appear in their
036: * name, without prior written permission of the Apache Software Foundation.
037: *
038: * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
039: * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
040: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
041: * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
042: * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
043: * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
044: * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
045: * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
046: * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
047: * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
048: * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
049: * SUCH DAMAGE.
050: * ====================================================================
051: *
052: * This software consists of voluntary contributions made by many
053: * individuals on behalf of the Apache Software Foundation. For more
054: * information on the Apache Software Foundation, please see
055: * <http://www.apache.org/>.
056: */
057:
058: package examples;
059:
060: import java.io.*;
061: import java.util.*;
062:
063: import org.apache.oro.text.perl.*;
064:
065: /**
066: * This is an example program based on a short example from the Camel book.
067: * It demonstrates splits by reading the /etc/passwd file (assuming you're
068: * on a Unix system) and printing out the formatted entries.
069: *
070: * @version @version@
071: */
072: public final class printPasswd {
073: public static final String[] fieldNames = { "Login: ",
074: "Encrypted password: ", "UID: ", "GID: ", "Name: ",
075: "Home: ", "Shell: " };
076:
077: public static final void main(String args[]) {
078: BufferedReader input = null;
079: int field, record;
080: String line;
081: Perl5Util perl;
082: ArrayList fields;
083: Iterator it;
084:
085: try {
086: input = new BufferedReader(new FileReader("/etc/passwd"));
087: } catch (IOException e) {
088: System.err.println("Could not open /etc/passwd.");
089: e.printStackTrace();
090: System.exit(1);
091: }
092:
093: perl = new Perl5Util();
094: record = 0;
095:
096: try {
097: fields = new ArrayList();
098:
099: while ((line = input.readLine()) != null) {
100: fields.clear();
101: perl.split(fields, "/:/", line);
102:
103: it = fields.iterator();
104: field = 0;
105:
106: System.out.println("Record " + record++);
107:
108: while (it.hasNext() && field < fieldNames.length)
109: System.out.println(fieldNames[field++]
110: + (String) it.next());
111:
112: System.out.print("\n\n");
113: }
114: } catch (IOException e) {
115: System.err.println("Error reading /etc/passwd.");
116: e.printStackTrace();
117: System.exit(1);
118: } finally {
119: try {
120: input.close();
121: } catch (IOException e) {
122: System.err.println("Could not close /etc/passwd.");
123: e.printStackTrace();
124: System.exit(1);
125: }
126: }
127:
128: }
129:
130: }
|