01: /*
02: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
03: *
04: * Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
05: *
06: * The contents of this file are subject to the terms of either the GNU
07: * General Public License Version 2 only ("GPL") or the Common
08: * Development and Distribution License("CDDL") (collectively, the
09: * "License"). You may not use this file except in compliance with the
10: * License. You can obtain a copy of the License at
11: * http://www.netbeans.org/cddl-gplv2.html
12: * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
13: * specific language governing permissions and limitations under the
14: * License. When distributing the software, include this License Header
15: * Notice in each file and include the License file at
16: * nbbuild/licenses/CDDL-GPL-2-CP. Sun designates this
17: * particular file as subject to the "Classpath" exception as provided
18: * by Sun in the GPL Version 2 section of the License file that
19: * accompanied this code. If applicable, add the following below the
20: * License Header, with the fields enclosed by brackets [] replaced by
21: * your own identifying information:
22: * "Portions Copyrighted [year] [name of copyright owner]"
23: *
24: * Contributor(s):
25: * The Original Software is NetBeans. The Initial Developer of the Original
26: * Software is Sun Microsystems, Inc. Portions Copyright 1997-2006 Sun
27: * Microsystems, Inc. All Rights Reserved.
28: *
29: * If you wish your version of this file to be governed by only the CDDL
30: * or only the GPL Version 2, indicate your decision by adding
31: * "[Contributor] elects to include this software in this distribution
32: * under the [CDDL or GPL Version 2] license." If you do not indicate a
33: * single choice of license, a recipient has the option to distribute
34: * your version of this file under either the CDDL, the GPL Version 2 or
35: * to extend the choice of license to its licensees as provided above.
36: * However, if you add GPL Version 2 code and therefore, elected the GPL
37: * Version 2 license, then the option applies only if the new code is
38: * made subject to such option by the copyright holder.
39: */
40:
41: package org.netbeans.lib.profiler.results;
42:
43: import java.io.FileOutputStream;
44: import java.io.IOException;
45:
46: /**
47: * An instance of this class is passed to code that generates text representation of profiling
48: * results for export. It is intended that the text generating code periodically checks the size
49: * of the StringBuffer it uses for storage, and if it's above some critical value, dumps it using
50: * the code below. If there is an error during this process, it is not returned immediately to avoid
51: * making text generator code too complex - instead the caller can eventually retrieve the error
52: * using the getCaughtException() method.
53: *
54: * @author Misha Dmitriev
55: */
56: public class ExportDataDumper {
57: //~ Static fields/initializers -----------------------------------------------------------------------------------------------
58:
59: public static final int MAX_BUF_LEN = 20000;
60:
61: //~ Instance fields ----------------------------------------------------------------------------------------------------------
62:
63: FileOutputStream fw;
64: IOException caughtEx;
65:
66: //~ Constructors -------------------------------------------------------------------------------------------------------------
67:
68: public ExportDataDumper(FileOutputStream fw) {
69: this .fw = fw;
70: }
71:
72: //~ Methods ------------------------------------------------------------------------------------------------------------------
73:
74: public IOException getCaughtException() {
75: return caughtEx;
76: }
77:
78: public void dumpData(StringBuffer s) {
79: if (caughtEx != null) {
80: return;
81: }
82:
83: try {
84: fw.write(s.toString().getBytes());
85: } catch (IOException ex) {
86: caughtEx = ex;
87: }
88: }
89:
90: public void dumpDataAndClose(StringBuffer s) {
91: dumpData(s);
92:
93: try {
94: fw.close();
95: } catch (IOException ex) {
96: caughtEx = ex;
97: }
98: }
99: }
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