Java tutorial
/******************************************************************************* * Copyright (c) 2000, 2010 IBM Corporation and others. * 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://www.eclipse.org/legal/epl-v10.html * $Id: AbstractJavaModelCompletionTests.java 23494 2010-02-05 23:06:44Z stephan $ * * Contributors: * IBM Corporation - initial API and implementation * Fraunhofer FIRST - extended API and implementation * Technical University Berlin - extended API and implementation *******************************************************************************/ package org.eclipse.objectteams.otdt.tests.model; import java.io.IOException; import java.util.Hashtable; import java.util.List; import org.eclipse.core.resources.IProject; import org.eclipse.core.runtime.CoreException; import org.eclipse.core.runtime.Path; import org.eclipse.jdt.core.*; import org.eclipse.jdt.internal.codeassist.RelevanceConstants; import org.eclipse.objectteams.otdt.tests.AbstractJavaModelTests; import junit.framework.*; //{ObjectTeams: OT_COPY_PASTE verbatim (from org.eclipse.jdt.core.tests.model) // need to find the correct enclosing project! public abstract class AbstractJavaModelCompletionTests extends AbstractJavaModelTests implements RelevanceConstants { public static List COMPLETION_SUITES = null; protected static IJavaProject COMPLETION_PROJECT; protected class CompletionResult { public String proposals; public String context; public int cursorLocation; public int tokenStart; public int tokenEnd; } Hashtable oldOptions; ICompilationUnit wc = null; public AbstractJavaModelCompletionTests(String name) { super(name); } protected void addLibrary(String projectName, String jarName, String sourceZipName, String docZipName, boolean exported) throws JavaModelException { IJavaProject javaProject = getJavaProject(projectName); IProject project = javaProject.getProject(); String projectPath = '/' + project.getName() + '/'; IClasspathAttribute[] extraAttributes; if (docZipName == null) { extraAttributes = new IClasspathAttribute[0]; } else { extraAttributes = new IClasspathAttribute[] { JavaCore.newClasspathAttribute(IClasspathAttribute.JAVADOC_LOCATION_ATTRIBUTE_NAME, "jar:platform:/resource" + projectPath + docZipName + "!/") }; } addLibraryEntry(javaProject, new Path(projectPath + jarName), sourceZipName == null ? null : new Path(projectPath + sourceZipName), sourceZipName == null ? null : new Path(""), null, null, extraAttributes, exported); } protected void removeLibrary(String projectName, String jarName) throws CoreException, IOException { IJavaProject javaProject = getJavaProject(projectName); IProject project = javaProject.getProject(); String projectPath = '/' + project.getName() + '/'; removeClasspathEntry(javaProject, new Path(projectPath + jarName)); } public ICompilationUnit getWorkingCopy(String path, String source) throws JavaModelException { return super.getWorkingCopy(path, source, this.wcOwner); } protected CompletionResult complete(String path, String source, String completeBehind) throws JavaModelException { return this.complete(path, source, false, completeBehind); } protected CompletionResult complete(String path, String source, boolean showPositions, String completeBehind) throws JavaModelException { return this.complete(path, source, showPositions, completeBehind, null, null); } protected CompletionResult complete(String path, String source, boolean showPositions, String completeBehind, String tokenStartBehind, String token) throws JavaModelException { this.wc = getWorkingCopy(path, source); CompletionTestsRequestor2 requestor = new CompletionTestsRequestor2(true, false, showPositions); String str = this.wc.getSource(); int cursorLocation = str.lastIndexOf(completeBehind) + completeBehind.length(); int tokenStart = -1; int tokenEnd = -1; if (tokenStartBehind != null && token != null) { tokenStart = str.lastIndexOf(tokenStartBehind) + tokenStartBehind.length(); tokenEnd = tokenStart + token.length() - 1; } this.wc.codeComplete(cursorLocation, requestor, this.wcOwner); CompletionResult result = new CompletionResult(); result.proposals = requestor.getResults(); result.context = requestor.getContext(); result.cursorLocation = cursorLocation; result.tokenStart = tokenStart; result.tokenEnd = tokenEnd; return result; } protected CompletionResult contextComplete(ICompilationUnit cu, int cursorLocation) throws JavaModelException { return contextComplete0(cu, cursorLocation, false, false, false, null); } protected CompletionResult contextComplete(ICompilationUnit cu, int cursorLocation, boolean computeEnclosingElement, boolean computeVisibleElements) throws JavaModelException { return contextComplete0(cu, cursorLocation, true, computeEnclosingElement, computeVisibleElements, null); } protected CompletionResult contextComplete(ICompilationUnit cu, int cursorLocation, boolean computeEnclosingElement, boolean computeVisibleElements, String typeSignature) throws JavaModelException { return contextComplete0(cu, cursorLocation, true, computeEnclosingElement, computeVisibleElements, typeSignature); } protected CompletionResult contextComplete0(ICompilationUnit cu, int cursorLocation, boolean useExtendedContext, boolean computeEnclosingElement, boolean computeVisibleElements, String typeSignature) throws JavaModelException { CompletionTestsRequestor2 requestor = new CompletionTestsRequestor2(true, false, false, false); requestor.setRequireExtendedContext(useExtendedContext); requestor.setComputeEnclosingElement(computeEnclosingElement); requestor.setComputeVisibleElements(computeVisibleElements); requestor.setAssignableType(typeSignature); cu.codeComplete(cursorLocation, requestor, this.wcOwner); CompletionResult result = new CompletionResult(); result.proposals = requestor.getResults(); result.context = requestor.getContext(); result.cursorLocation = cursorLocation; return result; } protected CompletionResult snippetContextComplete(IType type, String snippet, int insertion, int cursorLocation, boolean isStatic) throws JavaModelException { CompletionTestsRequestor2 requestor = new CompletionTestsRequestor2(true, false, false, false); type.codeComplete(snippet.toCharArray(), insertion, cursorLocation, null, null, null, isStatic, requestor, this.wcOwner); CompletionResult result = new CompletionResult(); result.proposals = requestor.getResults(); result.context = requestor.getContext(); result.cursorLocation = cursorLocation; return result; } public void setUpSuite() throws Exception { super.setUpSuite(); this.oldOptions = JavaCore.getOptions(); waitUntilIndexesReady(); } protected void setUp() throws Exception { super.setUp(); this.wcOwner = new WorkingCopyOwner() { }; } public void tearDownSuite() throws Exception { JavaCore.setOptions(this.oldOptions); this.oldOptions = null; if (COMPLETION_SUITES == null) { deleteProject("Completion"); } else { COMPLETION_SUITES.remove(getClass()); if (COMPLETION_SUITES.size() == 0) { deleteProject("Completion"); COMPLETION_SUITES = null; } } super.tearDownSuite(); } protected void tearDown() throws Exception { if (this.wc != null) { this.wc.discardWorkingCopy(); this.wc = null; } super.tearDown(); } protected void assertResults(String expected, String actual) { try { assertEquals(expected, actual); } catch (ComparisonFailure c) { System.out.println(actual); System.out.println(); throw c; } } } //SH}