001: /*/////////////////////////////////////////////////////////////////////
002:
003: Copyright (C) 2006 TiVo Inc. All rights reserved.
004:
005: Redistribution and use in source and binary forms, with or without
006: modification, are permitted provided that the following conditions are met:
007:
008: + Redistributions of source code must retain the above copyright notice,
009: this list of conditions and the following disclaimer.
010: + Redistributions in binary form must reproduce the above copyright notice,
011: this list of conditions and the following disclaimer in the documentation
012: and/or other materials provided with the distribution.
013: + Neither the name of TiVo Inc nor the names of its contributors may be
014: used to endorse or promote products derived from this software without
015: specific prior written permission.
016:
017: THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
018: AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
019: IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
020: ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
021: LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
022: CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
023: SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
024: INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
025: CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
026: ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
027: POSSIBILITY OF SUCH DAMAGE.
028:
029: /////////////////////////////////////////////////////////////////////*/
030:
031: package com.tivo.jipviewer;
032:
033: import java.io.FileReader;
034:
035: import org.xml.sax.XMLReader;
036: import org.xml.sax.Attributes;
037: import org.xml.sax.InputSource;
038: import org.xml.sax.SAXException;
039: import org.xml.sax.SAXParseException;
040: import org.xml.sax.helpers.XMLReaderFactory;
041: import org.xml.sax.helpers.DefaultHandler;
042:
043: public class JipParser extends DefaultHandler {
044:
045: private IJipParseHandler mHandler;
046:
047: private JipParser(IJipParseHandler handler) {
048: mHandler = handler;
049: }
050:
051: public static JipRun parse(String filename) throws Exception {
052: JipRun run = new JipRun();
053: JipParser jipParser = new JipParser(run);
054:
055: XMLReader xr = XMLReaderFactory.createXMLReader();
056: xr.setContentHandler(jipParser);
057: xr.setErrorHandler(jipParser);
058: FileReader r = new FileReader(filename);
059: xr.parse(new InputSource(r));
060:
061: return run;
062: }
063:
064: public void error(SAXParseException exception) throws SAXException {
065: throw exception;
066: }
067:
068: public void fatalError(SAXParseException exception)
069: throws SAXException {
070: throw exception;
071: }
072:
073: public void warning(SAXParseException exception)
074: throws SAXException {
075: throw exception;
076: }
077:
078: public void startElement(String uri, String name, String qName,
079: Attributes atts) {
080: //System.out.println("startElt " + name);
081: if (name.equals("profile")) {
082: String date = getAttrString(atts, "date");
083: mHandler.setDate(date);
084: } else if (name.equals("thread")) {
085: mHandler.startThread(getAttrLong(atts, "id"));
086: } else if (name.equals("interaction")) {
087: mHandler.startInteraction(getAttrLong(atts, "id"));
088: } else if (name.equals("frame")) {
089: mHandler.startFrame(getAttrString(atts, "cn"),
090: getAttrString(atts, "mn"), getAttrLong(atts, "c"),
091: getAttrLong(atts, "t"));
092: } else if (name.equals("entry")) {
093: mHandler.addToClassMap(getAttrString(atts, "s"),
094: getAttrString(atts, "f"));
095: } else if (name.equals("allocation")) {
096: } else if (name.equals("class")) {
097: } else if (name.equals("class-map")) {
098: } else {
099: throw new RuntimeException("unexpected tag <" + name + ">");
100: }
101: }
102:
103: public void endElement(String uri, String name, String qName) {
104: if (name.equals("thread")) {
105: mHandler.endThread();
106: } else if (name.equals("interaction")) {
107: mHandler.endInteraction();
108: } else if (name.equals("frame")) {
109: mHandler.endFrame();
110: }
111: }
112:
113: private String getAttrString(Attributes atts, String name) {
114: String value = atts.getValue(name);
115: if (value == null) {
116: throw new RuntimeException("no value for '" + name + "'");
117: }
118: return value;
119: }
120:
121: private long getAttrLong(Attributes atts, String name) {
122: String value = getAttrString(atts, name);
123: try {
124: return Long.parseLong(value);
125: } catch (NumberFormatException e) {
126: throw new RuntimeException(name + " (" + value
127: + ") isn't a long");
128: }
129: }
130: }
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