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Java > Open Source Codes > com > sun > enterprise > admin > mbeans > jvm > StringBuilderNewLineAppender


1 /*
2  * The contents of this file are subject to the terms
3  * of the Common Development and Distribution License
4  * (the License). You may not use this file except in
5  * compliance with the License.
6  *
7  * You can obtain a copy of the license at
8  * https://glassfish.dev.java.net/public/CDDLv1.0.html or
9  * glassfish/bootstrap/legal/CDDLv1.0.txt.
10  * See the License for the specific language governing
11  * permissions and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL
14  * Header Notice in each file and include the License file
15  * at glassfish/bootstrap/legal/CDDLv1.0.txt.
16  * If applicable, add the following below the CDDL Header,
17  * with the fields enclosed by brackets [] replaced by
18  * you own identifying information:
19  * "Portions Copyrighted [year] [name of copyright owner]"
20  *
21  * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
22  */
23
24 /*
25  * StringBuilderNewLineAppender.java
26  *
27  * Created on July 21, 2005, 12:23 PM
28  */
29
30 package com.sun.enterprise.admin.mbeans.jvm;
31 import java.io.*;
32
33 /**
34  */
35 class StringBuilderNewLineAppender {
36     
37     private StringBuilder JavaDoc sb;
38     private static final String JavaDoc sep = System.getProperty("line.separator");
39     /** Creates a new instance of StringBuilderNewLineAppender */
40     StringBuilderNewLineAppender(final StringBuilder JavaDoc sb) {
41         this.sb = sb;
42     }
43     StringBuilderNewLineAppender append(final String JavaDoc s) {
44         sb.append(s);
45         sb.append(sep);
46         return ( this );
47     }
48     public String JavaDoc toString() {
49         return ( sb.toString() );
50     }
51     public String JavaDoc toString(String JavaDoc... filterOut) {
52         String JavaDoc sbString = sb.toString();
53         BufferedReader in = new BufferedReader(new StringReader(sbString));
54         sb = new StringBuilder JavaDoc();
55         
56         try
57         {
58             readloop:
59             for(String JavaDoc s = in.readLine(); s != null; s = in.readLine()){
60                 for(String JavaDoc filter : filterOut){
61                     if(s.startsWith(filter))
62                         continue readloop; // continue to outer loop
63 }
64                 append(s);
65             }
66         }
67         catch(Exception JavaDoc e)
68         {
69             // bail
70 return sbString;
71         }
72         
73         return toString();
74     }
75
76 }
77
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