| /* |
| * The Apache Software License, Version 1.1 |
| * |
| * Copyright (c) 2000-2002 The Apache Software Foundation. All rights |
| * reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * |
| * 3. The end-user documentation included with the redistribution, if |
| * any, must include the following acknowlegement: |
| * "This product includes software developed by the |
| * Apache Software Foundation (http://www.apache.org/)." |
| * Alternately, this acknowlegement may appear in the software itself, |
| * if and wherever such third-party acknowlegements normally appear. |
| * |
| * 4. The names "The Jakarta Project", "Ant", and "Apache Software |
| * Foundation" must not be used to endorse or promote products derived |
| * from this software without prior written permission. For written |
| * permission, please contact apache@apache.org. |
| * |
| * 5. Products derived from this software may not be called "Apache" |
| * nor may "Apache" appear in their names without prior written |
| * permission of the Apache Group. |
| * |
| * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED |
| * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR |
| * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
| * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
| * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| * ==================================================================== |
| * |
| * This software consists of voluntary contributions made by many |
| * individuals on behalf of the Apache Software Foundation. For more |
| * information on the Apache Software Foundation, please see |
| * <http://www.apache.org/>. |
| */ |
| |
| package org.apache.tools.ant; |
| |
| import java.io.File; |
| import java.io.FileInputStream; |
| import java.io.FileNotFoundException; |
| import java.io.IOException; |
| import java.util.Hashtable; |
| import java.util.Vector; |
| import java.util.Enumeration; |
| import java.util.Locale; |
| import org.xml.sax.Locator; |
| import org.xml.sax.InputSource; |
| import org.xml.sax.HandlerBase; |
| import org.xml.sax.SAXParseException; |
| import org.xml.sax.SAXException; |
| import org.xml.sax.DocumentHandler; |
| import org.xml.sax.AttributeList; |
| |
| |
| import javax.xml.parsers.SAXParserFactory; |
| import javax.xml.parsers.SAXParser; |
| import javax.xml.parsers.ParserConfigurationException; |
| |
| /** |
| * Configures a Project (complete with Targets and Tasks) based on |
| * a XML build file. |
| * |
| * @author duncan@x180.com |
| */ |
| |
| public class ProjectHelper { |
| |
| private static SAXParserFactory parserFactory = null; |
| |
| private org.xml.sax.Parser parser; |
| private Project project; |
| private File buildFile; |
| private File buildFileParent; |
| private Locator locator; |
| |
| /** |
| * Configures the Project with the contents of the specified XML file. |
| */ |
| public static void configureProject(Project project, File buildFile) throws BuildException { |
| new ProjectHelper(project, buildFile).parse(); |
| } |
| |
| /** |
| * Constructs a new Ant parser for the specified XML file. |
| */ |
| private ProjectHelper(Project project, File buildFile) { |
| this.project = project; |
| this.buildFile = new File(buildFile.getAbsolutePath()); |
| buildFileParent = new File(this.buildFile.getParent()); |
| } |
| |
| /** |
| * Parses the project file. |
| */ |
| private void parse() throws BuildException { |
| FileInputStream inputStream = null; |
| InputSource inputSource = null; |
| |
| try { |
| SAXParser saxParser = getParserFactory().newSAXParser(); |
| parser = saxParser.getParser(); |
| |
| String uri = "file:" + buildFile.getAbsolutePath().replace('\\', '/'); |
| for (int index = uri.indexOf('#'); index != -1; index = uri.indexOf('#')) { |
| uri = uri.substring(0, index) + "%23" + uri.substring(index+1); |
| } |
| |
| inputStream = new FileInputStream(buildFile); |
| inputSource = new InputSource(inputStream); |
| inputSource.setSystemId(uri); |
| project.log("parsing buildfile " + buildFile + " with URI = " + uri, Project.MSG_VERBOSE); |
| saxParser.parse(inputSource, new RootHandler()); |
| } |
| catch(ParserConfigurationException exc) { |
| throw new BuildException("Parser has not been configured correctly", exc); |
| } |
| catch(SAXParseException exc) { |
| Location location = |
| new Location(buildFile.toString(), exc.getLineNumber(), exc.getColumnNumber()); |
| |
| Throwable t = exc.getException(); |
| if (t instanceof BuildException) { |
| BuildException be = (BuildException) t; |
| if (be.getLocation() == Location.UNKNOWN_LOCATION) { |
| be.setLocation(location); |
| } |
| throw be; |
| } |
| |
| throw new BuildException(exc.getMessage(), t, location); |
| } |
| catch(SAXException exc) { |
| Throwable t = exc.getException(); |
| if (t instanceof BuildException) { |
| throw (BuildException) t; |
| } |
| throw new BuildException(exc.getMessage(), t); |
| } |
| catch(FileNotFoundException exc) { |
| throw new BuildException(exc); |
| } |
| catch(IOException exc) { |
| throw new BuildException("Error reading project file", exc); |
| } |
| finally { |
| if (inputStream != null) { |
| try { |
| inputStream.close(); |
| } |
| catch (IOException ioe) { |
| // ignore this |
| } |
| } |
| } |
| } |
| |
| /** |
| * The common superclass for all sax event handlers in Ant. Basically |
| * throws an exception in each method, so subclasses should override |
| * what they can handle. |
| * |
| * Each type of xml element (task, target, etc) in ant will |
| * have its own subclass of AbstractHandler. |
| * |
| * In the constructor, this class takes over the handling of sax |
| * events from the parent handler, and returns |
| * control back to the parent in the endElement method. |
| */ |
| private class AbstractHandler extends HandlerBase { |
| protected DocumentHandler parentHandler; |
| |
| public AbstractHandler(DocumentHandler parentHandler) { |
| this.parentHandler = parentHandler; |
| |
| // Start handling SAX events |
| parser.setDocumentHandler(this); |
| } |
| |
| public void startElement(String tag, AttributeList attrs) throws SAXParseException { |
| throw new SAXParseException("Unexpected element \"" + tag + "\"", locator); |
| } |
| |
| public void characters(char[] buf, int start, int end) throws SAXParseException { |
| String s = new String(buf, start, end).trim(); |
| |
| if (s.length() > 0) { |
| throw new SAXParseException("Unexpected text \"" + s + "\"", locator); |
| } |
| } |
| |
| /** |
| * Called when this element and all elements nested into it have been |
| * handled. |
| */ |
| protected void finished() {} |
| |
| public void endElement(String name) throws SAXException { |
| |
| finished(); |
| // Let parent resume handling SAX events |
| parser.setDocumentHandler(parentHandler); |
| } |
| } |
| |
| /** |
| * Handler for the root element. It's only child must be the "project" element. |
| */ |
| private class RootHandler extends HandlerBase { |
| |
| /** |
| * resolve file: URIs as relative to the build file. |
| */ |
| public InputSource resolveEntity(String publicId, |
| String systemId) { |
| |
| project.log("resolving systemId: " + systemId, Project.MSG_VERBOSE); |
| |
| if (systemId.startsWith("file:")) { |
| String path = systemId.substring(5); |
| int index = path.indexOf("file:"); |
| |
| // we only have to handle these for backward compatibility |
| // since they are in the FAQ. |
| while (index != -1) { |
| path = path.substring(0, index) + path.substring(index + 5); |
| index = path.indexOf("file:"); |
| } |
| |
| String entitySystemId = path; |
| index = path.indexOf("%23"); |
| // convert these to # |
| while (index != -1) { |
| path = path.substring(0, index) + "#" + path.substring(index + 3); |
| index = path.indexOf("%23"); |
| } |
| |
| File file = new File(path); |
| if (!file.isAbsolute()) { |
| file = new File(buildFileParent, path); |
| } |
| |
| try { |
| InputSource inputSource = new InputSource(new FileInputStream(file)); |
| inputSource.setSystemId("file:" + entitySystemId); |
| return inputSource; |
| } catch (FileNotFoundException fne) { |
| project.log(file.getAbsolutePath()+" could not be found", |
| Project.MSG_WARN); |
| } |
| } |
| // use default if not file or file not found |
| return null; |
| } |
| |
| public void startElement(String tag, AttributeList attrs) throws SAXParseException { |
| if (tag.equals("project")) { |
| new ProjectHandler(this).init(tag, attrs); |
| } else { |
| throw new SAXParseException("Config file is not of expected XML type", locator); |
| } |
| } |
| |
| public void setDocumentLocator(Locator locator) { |
| ProjectHelper.this.locator = locator; |
| } |
| } |
| |
| /** |
| * Handler for the top level "project" element. |
| */ |
| private class ProjectHandler extends AbstractHandler { |
| public ProjectHandler(DocumentHandler parentHandler) { |
| super(parentHandler); |
| } |
| |
| public void init(String tag, AttributeList attrs) throws SAXParseException { |
| String def = null; |
| String name = null; |
| String id = null; |
| String baseDir = null; |
| |
| for (int i = 0; i < attrs.getLength(); i++) { |
| String key = attrs.getName(i); |
| String value = attrs.getValue(i); |
| |
| if (key.equals("default")) { |
| def = value; |
| } else if (key.equals("name")) { |
| name = value; |
| } else if (key.equals("id")) { |
| id = value; |
| } else if (key.equals("basedir")) { |
| baseDir = value; |
| } else { |
| throw new SAXParseException("Unexpected attribute \"" + attrs.getName(i) + "\"", locator); |
| } |
| } |
| |
| if (def == null) { |
| throw new SAXParseException("The default attribute of project is required", |
| locator); |
| } |
| |
| |
| project.setDefaultTarget(def); |
| |
| if (name != null) { |
| project.setName(name); |
| project.addReference(name, project); |
| } |
| |
| if (id != null) { |
| project.addReference(id, project); |
| } |
| |
| if (project.getProperty("basedir") != null) { |
| project.setBasedir(project.getProperty("basedir")); |
| } else { |
| if (baseDir == null) { |
| project.setBasedir(buildFileParent.getAbsolutePath()); |
| } else { |
| // check whether the user has specified an absolute path |
| if ((new File(baseDir)).isAbsolute()) { |
| project.setBasedir(baseDir); |
| } else { |
| project.setBaseDir(project.resolveFile(baseDir, buildFileParent)); |
| } |
| } |
| } |
| |
| } |
| |
| public void startElement(String name, AttributeList attrs) throws SAXParseException { |
| if (name.equals("taskdef")) { |
| handleTopTask(name, attrs); |
| } else if (name.equals("typedef")) { |
| handleTopTask(name, attrs); |
| } else if (name.equals("antlib")) { |
| handleTopTask(name, attrs); |
| } else if (name.equals("property")) { |
| handleTopTask(name, attrs); |
| } else if (name.equals("target")) { |
| handleTarget(name, attrs); |
| } else if (name.equals("description")) { |
| handleDescription(name, attrs); |
| } else if (project.isDefinedOnRole(Project.DATATYPE_ROLE, name)) { |
| handleTopTask(name, attrs); |
| } else { |
| throw new SAXParseException("Unexpected element \"" + name + "\"", locator); |
| } |
| } |
| |
| private void handleTopTask(String name, AttributeList attrs) |
| throws SAXParseException { |
| InmediateTarget target = new InmediateTarget(name); |
| (new TaskHandler(this, target, null, target)).init(name, attrs); |
| } |
| |
| private void handleTarget(String tag, AttributeList attrs) throws SAXParseException { |
| new TargetHandler(this).init(tag, attrs); |
| } |
| |
| private void handleDescription(String tag, AttributeList attrs) throws SAXParseException { |
| new DescriptionHandler(this).init(tag, attrs); |
| } |
| |
| } |
| |
| /** |
| * Handler for "target" elements. |
| */ |
| private class TargetHandler extends AbstractHandler { |
| private Target target; |
| |
| public TargetHandler(DocumentHandler parentHandler) { |
| super(parentHandler); |
| } |
| |
| public void init(String tag, AttributeList attrs) throws SAXParseException { |
| String name = null; |
| String depends = ""; |
| String ifCond = null; |
| String unlessCond = null; |
| String id = null; |
| String description = null; |
| |
| for (int i = 0; i < attrs.getLength(); i++) { |
| String key = attrs.getName(i); |
| String value = attrs.getValue(i); |
| |
| if (key.equals("name")) { |
| name = value; |
| } else if (key.equals("depends")) { |
| depends = value; |
| } else if (key.equals("if")) { |
| ifCond = value; |
| } else if (key.equals("unless")) { |
| unlessCond = value; |
| } else if (key.equals("id")) { |
| id = value; |
| } else if (key.equals("description")) { |
| description = value; |
| } else { |
| throw new SAXParseException("Unexpected attribute \"" + key + "\"", locator); |
| } |
| } |
| |
| if (name == null) { |
| throw new SAXParseException("target element appears without a name attribute", locator); |
| } |
| |
| target = new Target(); |
| target.setName(name); |
| target.setIf(ifCond); |
| target.setUnless(unlessCond); |
| target.setDescription(description); |
| project.addTarget(name, target); |
| |
| if (id != null && !id.equals("")) { |
| project.addReference(id, target); |
| } |
| |
| // take care of dependencies |
| |
| if (depends.length() > 0) { |
| target.setDepends(depends); |
| } |
| } |
| |
| public void startElement(String name, AttributeList attrs) throws SAXParseException { |
| if (name.equals("description")) { |
| new DescriptionHandler(this).init(name, attrs); |
| } |
| else { |
| new TaskHandler(this, target, null, target).init(name, attrs); |
| } |
| } |
| } |
| |
| /** |
| * Handler for all task elements. |
| */ |
| private class TaskHandler extends AbstractHandler { |
| private Target target; |
| private TaskContainer container; |
| private Task task; |
| private RuntimeConfigurable parentWrapper; |
| private RuntimeConfigurable wrapper = null; |
| |
| public TaskHandler(DocumentHandler parentHandler, TaskContainer container, RuntimeConfigurable parentWrapper, Target target) { |
| super(parentHandler); |
| this.container = container; |
| this.parentWrapper = parentWrapper; |
| this.target = target; |
| } |
| |
| public void init(String tag, AttributeList attrs) throws SAXParseException { |
| try { |
| task = (Task)project.createInRole(container, tag); |
| } catch (BuildException e) { |
| // swallow here, will be thrown again in |
| // UnknownElement.maybeConfigure if the problem persists. |
| } |
| |
| if (task == null) { |
| task = new UnknownElement(tag); |
| task.setProject(project); |
| task.setTaskType(tag); |
| task.setTaskName(tag); |
| container.addTask(task); |
| } |
| |
| task.setLocation(new Location(buildFile.toString(), |
| locator.getLineNumber(), |
| locator.getColumnNumber())); |
| configureId(task, attrs); |
| |
| task.setOwningTarget(target); |
| task.init(); |
| wrapper = task.getRuntimeConfigurableWrapper(); |
| wrapper.setAttributes(attrs); |
| if (parentWrapper != null) { |
| parentWrapper.addChild(wrapper); |
| } |
| } |
| |
| protected void finished() { |
| if (container instanceof InmediateTarget) { |
| ((InmediateTarget)container).execute(); |
| } |
| } |
| |
| public void characters(char[] buf, int start, int end) throws SAXParseException { |
| if (wrapper == null) { |
| try { |
| addText(project, task, buf, start, end); |
| } catch (BuildException exc) { |
| throw new SAXParseException(exc.getMessage(), locator, exc); |
| } |
| } else { |
| wrapper.addText(buf, start, end); |
| } |
| } |
| |
| public void startElement(String name, AttributeList attrs) throws SAXParseException { |
| if (task instanceof TaskContainer) { |
| // task can contain other tasks - no other nested elements possible |
| new TaskHandler(this, (TaskContainer)task, wrapper, target).init(name, attrs); |
| } |
| else { |
| new NestedElementHandler(this, task, wrapper, target).init(name, attrs); |
| } |
| } |
| } |
| |
| /** |
| * Handler for all nested properties. |
| */ |
| private class NestedElementHandler extends AbstractHandler { |
| private Object parent; |
| private Object child; |
| private RuntimeConfigurable parentWrapper; |
| private RuntimeConfigurable childWrapper = null; |
| private Target target; |
| |
| public NestedElementHandler(DocumentHandler parentHandler, |
| Object parent, |
| RuntimeConfigurable parentWrapper, |
| Target target) { |
| super(parentHandler); |
| |
| if (parent instanceof RoleAdapter) { |
| this.parent = ((RoleAdapter) parent).getProxy(); |
| } else { |
| this.parent = parent; |
| } |
| this.parentWrapper = parentWrapper; |
| this.target = target; |
| } |
| |
| public void init(String propType, AttributeList attrs) throws SAXParseException { |
| Class parentClass = parent.getClass(); |
| IntrospectionHelper ih = |
| IntrospectionHelper.getHelper(parentClass); |
| |
| try { |
| String elementName = propType.toLowerCase(Locale.US); |
| if (parent instanceof UnknownElement) { |
| UnknownElement uc = new UnknownElement(elementName); |
| uc.setProject(project); |
| ((UnknownElement) parent).addChild(uc); |
| // Set this parameters just in case is a Task |
| uc.setTaskType(elementName); |
| uc.setTaskName(elementName); |
| child = uc; |
| } else { |
| child = ih.createElement(project, parent, elementName); |
| } |
| |
| configureId(child, attrs); |
| |
| if (parentWrapper != null) { |
| childWrapper = new RuntimeConfigurable(child, propType); |
| childWrapper.setAttributes(attrs); |
| parentWrapper.addChild(childWrapper); |
| } else { |
| configure(child, attrs, project); |
| ih.storeElement(project, parent, child, elementName); |
| } |
| } catch (BuildException exc) { |
| throw new SAXParseException(exc.getMessage(), locator, exc); |
| } |
| } |
| |
| public void characters(char[] buf, int start, int end) throws SAXParseException { |
| if (parentWrapper == null) { |
| try { |
| addText(project, child, buf, start, end); |
| } catch (BuildException exc) { |
| throw new SAXParseException(exc.getMessage(), locator, exc); |
| } |
| } else { |
| childWrapper.addText(buf, start, end); |
| } |
| } |
| |
| public void startElement(String name, AttributeList attrs) throws SAXParseException { |
| if (child instanceof TaskContainer) { |
| // taskcontainer nested element can contain other tasks - no other |
| // nested elements possible |
| new TaskHandler(this, (TaskContainer)child, childWrapper, target).init(name, attrs); |
| } |
| else { |
| new NestedElementHandler(this, child, childWrapper, target).init(name, attrs); |
| } |
| } |
| } |
| |
| /** |
| * Handler to perform appropriate semantics for the special |
| * <description> element on tasks. |
| */ |
| private class DescriptionHandler extends AbstractHandler { |
| |
| public DescriptionHandler(DocumentHandler parent) { |
| super(parent); |
| } |
| |
| public void init(String tag, AttributeList attrs) throws SAXParseException { |
| if (attrs.getLength() > 0) { |
| throw new SAXParseException("No attributes allowed on " + tag, locator); |
| } |
| } |
| |
| public void characters(char[] buf, int start, int end) throws SAXParseException { |
| String desc = project.getDescription(); |
| if (desc == null) { |
| desc = ""; |
| } |
| project.setDescription(desc + new String(buf, start, end)); |
| } |
| } |
| |
| /** |
| * Special target type for top level Tasks and Datatypes. |
| * This will allow eliminating special cases. |
| */ |
| private class InmediateTarget extends Target { |
| /** |
| * Create a target for a top level task or datatype. |
| * @param name the name of the task to be run on this target. |
| */ |
| InmediateTarget(String name) { |
| super(); |
| setProject(project); |
| setName("Top level " + name); |
| } |
| } |
| |
| public static void configure(Object target, AttributeList attrs, |
| Project project) throws BuildException { |
| if( target instanceof RoleAdapter ) { |
| target=((RoleAdapter)target).getProxy(); |
| } |
| |
| IntrospectionHelper ih = |
| IntrospectionHelper.getHelper(target.getClass()); |
| |
| project.addBuildListener(ih); |
| |
| for (int i = 0; i < attrs.getLength(); i++) { |
| // reflect these into the target |
| String value=replaceProperties(project, attrs.getValue(i), |
| project.getProperties() ); |
| try { |
| ih.setAttribute(project, target, |
| attrs.getName(i).toLowerCase(Locale.US), value); |
| |
| } catch (BuildException be) { |
| // id attribute must be set externally |
| if (!attrs.getName(i).equals("id")) { |
| throw be; |
| } |
| } |
| } |
| } |
| |
| /** |
| * Adds the content of #PCDATA sections to an element. |
| */ |
| public static void addText(Project project, Object target, char[] buf, int start, int end) |
| throws BuildException { |
| addText(project, target, new String(buf, start, end)); |
| } |
| |
| /** |
| * Adds the content of #PCDATA sections to an element. |
| */ |
| public static void addText(Project project, Object target, String text) |
| throws BuildException { |
| |
| if (text == null ) { |
| return; |
| } |
| |
| if(target instanceof RoleAdapter) { |
| target = ((RoleAdapter) target).getProxy(); |
| } |
| |
| IntrospectionHelper.getHelper(target.getClass()).addText(project, target, text); |
| } |
| |
| /** |
| * Stores a configured child element into its parent object |
| */ |
| public static void storeChild(Project project, Object parent, Object child, String tag) { |
| IntrospectionHelper ih = IntrospectionHelper.getHelper(parent.getClass()); |
| ih.storeElement(project, parent, child, tag); |
| } |
| |
| /** |
| * Replace ${} style constructions in the given value with the string value of |
| * the corresponding data types. |
| * |
| * @param value the string to be scanned for property references. |
| * @since 1.5 |
| */ |
| public static String replaceProperties(Project project, String value) |
| throws BuildException { |
| return project.replaceProperties(value); |
| } |
| |
| /** |
| * Replace ${} style constructions in the given value with the string value of |
| * the corresponding data types. |
| * |
| * @param value the string to be scanned for property references. |
| */ |
| public static String replaceProperties(Project project, String value, Hashtable keys) |
| throws BuildException { |
| if (value == null) { |
| return null; |
| } |
| |
| Vector fragments = new Vector(); |
| Vector propertyRefs = new Vector(); |
| parsePropertyString(value, fragments, propertyRefs); |
| |
| StringBuffer sb = new StringBuffer(); |
| Enumeration i = fragments.elements(); |
| Enumeration j = propertyRefs.elements(); |
| while (i.hasMoreElements()) { |
| String fragment = (String)i.nextElement(); |
| if (fragment == null) { |
| String propertyName = (String)j.nextElement(); |
| if (!keys.containsKey(propertyName)) { |
| project.log("Property ${" + propertyName + "} has not been set", Project.MSG_VERBOSE); |
| } |
| fragment = (keys.containsKey(propertyName)) ? (String) keys.get(propertyName) |
| : "${" + propertyName + "}"; |
| } |
| sb.append(fragment); |
| } |
| |
| return sb.toString(); |
| } |
| |
| /** |
| * This method will parse a string containing ${value} style |
| * property values into two lists. The first list is a collection |
| * of text fragments, while the other is a set of string property names |
| * null entries in the first list indicate a property reference from the |
| * second list. |
| */ |
| public static void parsePropertyString(String value, Vector fragments, Vector propertyRefs) |
| throws BuildException { |
| int prev = 0; |
| int pos; |
| while ((pos = value.indexOf("$", prev)) >= 0) { |
| if (pos > 0) { |
| fragments.addElement(value.substring(prev, pos)); |
| } |
| |
| if( pos == (value.length() - 1)) { |
| fragments.addElement("$"); |
| prev = pos + 1; |
| } |
| else if (value.charAt(pos + 1) != '{' ) { |
| fragments.addElement(value.substring(pos + 1, pos + 2)); |
| prev = pos + 2; |
| } else { |
| int endName = value.indexOf('}', pos); |
| if (endName < 0) { |
| throw new BuildException("Syntax error in property: " |
| + value ); |
| } |
| String propertyName = value.substring(pos + 2, endName); |
| fragments.addElement(null); |
| propertyRefs.addElement(propertyName); |
| prev = endName + 1; |
| } |
| } |
| |
| if (prev < value.length()) { |
| fragments.addElement(value.substring(prev)); |
| } |
| } |
| |
| private static SAXParserFactory getParserFactory() { |
| if (parserFactory == null) { |
| parserFactory = SAXParserFactory.newInstance(); |
| } |
| |
| return parserFactory; |
| } |
| |
| /** |
| * Scan AttributeList for the id attribute and maybe add a |
| * reference to project. |
| * |
| * <p>Moved out of {@link #configure configure} to make it happen |
| * at parser time.</p> |
| */ |
| private void configureId(Object target, AttributeList attr) { |
| String id = attr.getValue("id"); |
| if (id != null) { |
| if( target instanceof RoleAdapter ) { |
| ((RoleAdapter)target).setId(id); |
| } |
| project.addReference(id, target); |
| } |
| } |
| |
| } |