+++ /dev/null
-/*******************************************************************************
- * Copyright (c) 2005 Contributors.
- * All rights reserved.
- * This program and the accompanying materials are made available
- * under the terms of the Eclipse Public License v1.0
- * which accompanies this distribution and is available at
- * http://eclipse.org/legal/epl-v10.html
- *
- * Contributors:
- * Alexandre Vasseur initial implementation
- *******************************************************************************/
-package org.aspectj.weaver.loadtime.definition;
-
-import java.util.ArrayList;
-import java.util.List;
-
-/**
- * A POJO that contains raw strings from the XML (sort of XMLBean for our simple LTW DTD)
- *
- * @author <a href="mailto:alex AT gnilux DOT com">Alexandre Vasseur</a>
- */
-public class Definition {
-
- private final StringBuffer m_weaverOptions;
-
- private final List m_dumpPatterns;
-
- private boolean m_dumpBefore;
-
- private boolean perClassloaderDumpDir;
-
- private final List m_includePatterns;
-
- private final List m_excludePatterns;
-
- private final List m_aspectClassNames;
-
- private final List m_aspectExcludePatterns;
-
- private final List m_aspectIncludePatterns;
-
- private final List m_concreteAspects;
-
- public Definition() {
- m_weaverOptions = new StringBuffer();
- m_dumpBefore = false;
- perClassloaderDumpDir = false;
- m_dumpPatterns = new ArrayList(0);
- m_includePatterns = new ArrayList(0);
- m_excludePatterns = new ArrayList(0);
- m_aspectClassNames = new ArrayList();
- m_aspectExcludePatterns = new ArrayList(0);
- m_aspectIncludePatterns = new ArrayList(0);
- m_concreteAspects = new ArrayList(0);
- }
-
- public String getWeaverOptions() {
- return m_weaverOptions.toString();
- }
-
- public List getDumpPatterns() {
- return m_dumpPatterns;
- }
-
- public void setDumpBefore(boolean b) {
- m_dumpBefore = b;
- }
-
- public boolean shouldDumpBefore() {
- return m_dumpBefore;
- }
-
- public void setCreateDumpDirPerClassloader(boolean b) {
- perClassloaderDumpDir = b;
- }
-
- public boolean createDumpDirPerClassloader() {
- return perClassloaderDumpDir;
- }
-
- public List getIncludePatterns() {
- return m_includePatterns;
- }
-
- public List getExcludePatterns() {
- return m_excludePatterns;
- }
-
- public List getAspectClassNames() {
- return m_aspectClassNames;
- }
-
- public List getAspectExcludePatterns() {
- return m_aspectExcludePatterns;
- }
-
- public List getAspectIncludePatterns() {
- return m_aspectIncludePatterns;
- }
-
- public List getConcreteAspects() {
- return m_concreteAspects;
- }
-
- public static class ConcreteAspect {
- public final String name;
- public final String extend;
- public final String precedence;
- public final List pointcuts;
- public final String perclause;
-
- public ConcreteAspect(String name, String extend) {
- this(name, extend, null, null);
- }
-
- public ConcreteAspect(String name, String extend, String precedence, String perclause) {
- this.name = name;
- // make sure extend set to null if ""
- if (extend == null || extend.length() == 0) {
- this.extend = null;
- if (precedence == null || precedence.length() == 0) {
- throw new RuntimeException("Not allowed");
- }
- } else {
- this.extend = extend;
- }
- this.precedence = precedence;
- this.pointcuts = new ArrayList();
- this.perclause = perclause;
- }
- }
-
- public static class Pointcut {
- public final String name;
- public final String expression;
-
- public Pointcut(String name, String expression) {
- this.name = name;
- this.expression = expression;
- }
- }
-
- public void appendWeaverOptions(String option) {
- m_weaverOptions.append(option.trim()).append(' ');
- }
-
-}
+++ /dev/null
-/*******************************************************************************
- * Copyright (c) 2005 Contributors.
- * All rights reserved.
- * This program and the accompanying materials are made available
- * under the terms of the Eclipse Public License v1.0
- * which accompanies this distribution and is available at
- * http://eclipse.org/legal/epl-v10.html
- *
- * Contributors:
- * Alexandre Vasseur initial implementation
- *******************************************************************************/
-package org.aspectj.weaver.loadtime.definition;
-
-import java.io.InputStream;
-import java.net.URL;
-
-import javax.xml.parsers.ParserConfigurationException;
-import javax.xml.parsers.SAXParserFactory;
-
-import org.aspectj.util.LangUtil;
-import org.xml.sax.Attributes;
-import org.xml.sax.InputSource;
-import org.xml.sax.SAXException;
-import org.xml.sax.SAXParseException;
-import org.xml.sax.XMLReader;
-import org.xml.sax.helpers.DefaultHandler;
-import org.xml.sax.helpers.XMLReaderFactory;
-
-/**
- * FIXME AV - doc, concrete aspect
- *
- * @author <a href="mailto:alex AT gnilux DOT com">Alexandre Vasseur</a>
- */
-public class DocumentParser extends DefaultHandler {
-
- /**
- * The current DTD public id. The matching dtd will be searched as a resource.
- */
- private final static String DTD_PUBLIC_ID = "-//AspectJ//DTD 1.5.0//EN";
-
- /**
- * The DTD alias, for better user experience.
- */
- private final static String DTD_PUBLIC_ID_ALIAS = "-//AspectJ//DTD//EN";
-
- /**
- * A handler to the DTD stream so that we are only using one file descriptor
- */
- private final static InputStream DTD_STREAM = DocumentParser.class.getResourceAsStream("/aspectj_1_5_0.dtd");
-
- private final static String ASPECTJ_ELEMENT = "aspectj";
- private final static String WEAVER_ELEMENT = "weaver";
- private final static String DUMP_ELEMENT = "dump";
- private final static String DUMP_BEFOREANDAFTER_ATTRIBUTE = "beforeandafter";
- private final static String DUMP_PERCLASSLOADERDIR_ATTRIBUTE = "perclassloaderdumpdir";
- private final static String INCLUDE_ELEMENT = "include";
- private final static String EXCLUDE_ELEMENT = "exclude";
- private final static String OPTIONS_ATTRIBUTE = "options";
- private final static String ASPECTS_ELEMENT = "aspects";
- private final static String ASPECT_ELEMENT = "aspect";
- private final static String CONCRETE_ASPECT_ELEMENT = "concrete-aspect";
- private final static String NAME_ATTRIBUTE = "name";
- private final static String EXTEND_ATTRIBUTE = "extends";
- private final static String PRECEDENCE_ATTRIBUTE = "precedence";
- private final static String PERCLAUSE_ATTRIBUTE = "perclause";
- private final static String POINTCUT_ELEMENT = "pointcut";
- private final static String WITHIN_ATTRIBUTE = "within";
- private final static String EXPRESSION_ATTRIBUTE = "expression";
-
- private final Definition m_definition;
-
- private boolean m_inAspectJ;
- private boolean m_inWeaver;
- private boolean m_inAspects;
-
- private Definition.ConcreteAspect m_lastConcreteAspect;
-
- private DocumentParser() {
- m_definition = new Definition();
- }
-
- public static Definition parse(final URL url) throws Exception {
- InputStream in = null;
- try {
- DocumentParser parser = new DocumentParser();
-
- XMLReader xmlReader = getXMLReader();
- xmlReader.setContentHandler(parser);
- xmlReader.setErrorHandler(parser);
-
- try {
- xmlReader.setFeature("http://xml.org/sax/features/validation", false);
- } catch (SAXException e) {
- // fine, the parser don't do validation
- }
- try {
- xmlReader.setFeature("http://xml.org/sax/features/external-general-entities", false);
- } catch (SAXException e) {
- // fine, the parser don't do validation
- }
- try {
- xmlReader.setFeature("http://xml.org/sax/features/external-parameter-entities", false);
- } catch (SAXException e) {
- // fine, the parser don't do validation
- }
-
- xmlReader.setEntityResolver(parser);
- in = url.openStream();
- xmlReader.parse(new InputSource(in));
- return parser.m_definition;
- } finally {
- try {
- in.close();
- } catch (Throwable t) {
-
- }
- }
- }
-
- private static XMLReader getXMLReader() throws SAXException, ParserConfigurationException {
- XMLReader xmlReader = null;
-
- /* Try this first for Java 5 */
- try {
- xmlReader = XMLReaderFactory.createXMLReader();
- }
-
- /* .. and ignore "System property ... not set" and then try this instead */
- catch (SAXException ex) {
- xmlReader = SAXParserFactory.newInstance().newSAXParser().getXMLReader();
- }
- return xmlReader;
- }
-
- public InputSource resolveEntity(String publicId, String systemId) throws SAXException {
- if (publicId.equals(DTD_PUBLIC_ID) || publicId.equals(DTD_PUBLIC_ID_ALIAS)) {
- InputStream in = DTD_STREAM;
- if (in == null) {
- System.err.println("AspectJ - WARN - could not read DTD " + publicId);
- return null;
- } else {
- return new InputSource(in);
- }
- } else {
- System.err.println("AspectJ - WARN - unknown DTD " + publicId + " - consider using " + DTD_PUBLIC_ID);
- return null;
- }
- }
-
- public void startElement(String uri, String localName, String qName, Attributes attributes) throws SAXException {
- if (ASPECT_ELEMENT.equals(qName)) {
- String name = attributes.getValue(NAME_ATTRIBUTE);
- if (!isNull(name)) {
- m_definition.getAspectClassNames().add(name);
- }
- } else if (WEAVER_ELEMENT.equals(qName)) {
- String options = attributes.getValue(OPTIONS_ATTRIBUTE);
- if (!isNull(options)) {
- m_definition.appendWeaverOptions(options);
- }
- m_inWeaver = true;
- } else if (CONCRETE_ASPECT_ELEMENT.equals(qName)) {
- String name = attributes.getValue(NAME_ATTRIBUTE);
- String extend = attributes.getValue(EXTEND_ATTRIBUTE);
- String precedence = attributes.getValue(PRECEDENCE_ATTRIBUTE);
- String perclause = attributes.getValue(PERCLAUSE_ATTRIBUTE);
- if (!isNull(name)) {
- m_lastConcreteAspect = new Definition.ConcreteAspect(name, extend, precedence, perclause);
- // if (isNull(precedence) && !isNull(extend)) {// if no precedence, then extends must be there
- // m_lastConcreteAspect = new Definition.ConcreteAspect(name, extend);
- // } else if (!isNull(precedence)) {
- // // wether a pure precedence def, or an extendsANDprecedence def.
- // m_lastConcreteAspect = new Definition.ConcreteAspect(name, extend, precedence, perclause);
- // }
- m_definition.getConcreteAspects().add(m_lastConcreteAspect);
- }
- } else if (POINTCUT_ELEMENT.equals(qName) && m_lastConcreteAspect != null) {
- String name = attributes.getValue(NAME_ATTRIBUTE);
- String expression = attributes.getValue(EXPRESSION_ATTRIBUTE);
- if (!isNull(name) && !isNull(expression)) {
- m_lastConcreteAspect.pointcuts.add(new Definition.Pointcut(name, replaceXmlAnd(expression)));
- }
- } else if (ASPECTJ_ELEMENT.equals(qName)) {
- if (m_inAspectJ) {
- throw new SAXException("Found nested <aspectj> element");
- }
- m_inAspectJ = true;
- } else if (ASPECTS_ELEMENT.equals(qName)) {
- m_inAspects = true;
- } else if (INCLUDE_ELEMENT.equals(qName) && m_inWeaver) {
- String typePattern = getWithinAttribute(attributes);
- if (!isNull(typePattern)) {
- m_definition.getIncludePatterns().add(typePattern);
- }
- } else if (EXCLUDE_ELEMENT.equals(qName) && m_inWeaver) {
- String typePattern = getWithinAttribute(attributes);
- if (!isNull(typePattern)) {
- m_definition.getExcludePatterns().add(typePattern);
- }
- } else if (DUMP_ELEMENT.equals(qName) && m_inWeaver) {
- String typePattern = getWithinAttribute(attributes);
- if (!isNull(typePattern)) {
- m_definition.getDumpPatterns().add(typePattern);
- }
- String beforeAndAfter = attributes.getValue(DUMP_BEFOREANDAFTER_ATTRIBUTE);
- if (isTrue(beforeAndAfter)) {
- m_definition.setDumpBefore(true);
- }
- String perWeaverDumpDir = attributes.getValue(DUMP_PERCLASSLOADERDIR_ATTRIBUTE);
- if (isTrue(perWeaverDumpDir)) {
- m_definition.setCreateDumpDirPerClassloader(true);
- }
- } else if (EXCLUDE_ELEMENT.equals(qName) && m_inAspects) {
- String typePattern = getWithinAttribute(attributes);
- if (!isNull(typePattern)) {
- m_definition.getAspectExcludePatterns().add(typePattern);
- }
- } else if (INCLUDE_ELEMENT.equals(qName) && m_inAspects) {
- String typePattern = getWithinAttribute(attributes);
- if (!isNull(typePattern)) {
- m_definition.getAspectIncludePatterns().add(typePattern);
- }
- } else {
- throw new SAXException("Unknown element while parsing <aspectj> element: " + qName);
- }
- super.startElement(uri, localName, qName, attributes);
- }
-
- private String getWithinAttribute(Attributes attributes) {
- return replaceXmlAnd(attributes.getValue(WITHIN_ATTRIBUTE));
- }
-
- public void endElement(String uri, String localName, String qName) throws SAXException {
- if (CONCRETE_ASPECT_ELEMENT.equals(qName)) {
- m_lastConcreteAspect = null;
- } else if (ASPECTJ_ELEMENT.equals(qName)) {
- m_inAspectJ = false;
- } else if (WEAVER_ELEMENT.equals(qName)) {
- m_inWeaver = false;
- } else if (ASPECTS_ELEMENT.equals(qName)) {
- m_inAspects = false;
- }
- super.endElement(uri, localName, qName);
- }
-
- // TODO AV - define what we want for XML parser error - for now stderr
- public void warning(SAXParseException e) throws SAXException {
- super.warning(e);
- }
-
- public void error(SAXParseException e) throws SAXException {
- super.error(e);
- }
-
- public void fatalError(SAXParseException e) throws SAXException {
- super.fatalError(e);
- }
-
- private static String replaceXmlAnd(String expression) {
- // TODO AV do we need to handle "..)AND" or "AND(.." ?
- return LangUtil.replace(expression, " AND ", " && ");
- }
-
- private boolean isNull(String s) {
- return (s == null || s.length() <= 0);
- }
-
- private boolean isTrue(String s) {
- return (s != null && s.equals("true"));
- }
-
-}