1 files changed, 134 insertions, 0 deletions
diff --git a/plugins/org.eclipse.jst.j2ee.web/webproject/org/eclipse/jst/j2ee/internal/web/operations/WebProjectPropertiesUpdateOperation.java b/plugins/org.eclipse.jst.j2ee.web/webproject/org/eclipse/jst/j2ee/internal/web/operations/WebProjectPropertiesUpdateOperation.java
new file mode 100644
index 000000000..4e1f764eb
--- /dev/null
+++ b/plugins/org.eclipse.jst.j2ee.web/webproject/org/eclipse/jst/j2ee/internal/web/operations/WebProjectPropertiesUpdateOperation.java
@@ -0,0 +1,134 @@
+/*******************************************************************************
+ * Copyright (c) 2003, 2004 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
+ * 
+ * Contributors:
+ * IBM Corporation - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.jst.j2ee.internal.web.operations;
+
+import java.lang.reflect.InvocationTargetException;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+
+import org.eclipse.core.resources.IProject;
+import org.eclipse.core.runtime.CoreException;
+import org.eclipse.core.runtime.IProgressMonitor;
+import org.eclipse.jdt.core.IClasspathEntry;
+import org.eclipse.jdt.core.IJavaProject;
+import org.eclipse.jdt.core.JavaCore;
+import org.eclipse.jdt.core.JavaModelException;
+import org.eclipse.jdt.internal.core.ClasspathEntry;
+import org.eclipse.jst.j2ee.internal.web.archive.operations.ContextRootUpdateOperation;
+import org.eclipse.jst.j2ee.internal.web.archive.operations.WebContentNameUpdateOperation;
+import org.eclipse.wst.common.frameworks.internal.operations.IHeadlessRunnableWithProgress;
+
+/**
+ * @version 1.0
+ * @author
+ */
+public class WebProjectPropertiesUpdateOperation implements IHeadlessRunnableWithProgress {
+
+	protected WebProjectInfo webProjectInfo;
+	protected J2EEWebNatureRuntime nature;
+
+
+	public WebProjectPropertiesUpdateOperation(WebProjectInfo projectInfo) {
+		webProjectInfo = projectInfo;
+		IProject project = webProjectInfo.getProject();
+		nature = (J2EEWebNatureRuntime) J2EEWebNatureRuntimeUtilities.getRuntime(project);
+	}
+
+	/*
+	 * @see IHeadlessRunnableWithProgress#run(IProgressMonitor)
+	 */
+	public void run(IProgressMonitor monitor) throws InvocationTargetException, InterruptedException {
+
+		IProject project = webProjectInfo.getProject();
+
+		// Update the context root
+		String contextRoot = webProjectInfo.getContextRoot();
+		if (contextRoot != null) {
+			new ContextRootUpdateOperation(project, contextRoot).run(monitor);
+		}
+
+		// Update the web content name
+		String webContentName = webProjectInfo.getWebContentName();
+		if (webContentName != null) {
+			new WebContentNameUpdateOperation(project, webContentName).run(monitor);
+		}
+
+		// Update the Servlet and JSP Levels
+		String servletLevel = webProjectInfo.getServletLevel();
+		String jspLevel = webProjectInfo.getJSPLevel();
+
+		try {
+			if (servletLevel != null && jspLevel != null)
+				updateClassPathEntries(monitor);
+
+			if (servletLevel != null)
+				nature.setServletLevel(servletLevel);
+			if (jspLevel != null)
+				nature.setJSPLevel(jspLevel);
+
+
+		} catch (CoreException e) {
+			throw new InvocationTargetException(e);
+		}
+
+	}
+
+	protected IClasspathEntry[] getClasspathsFromWebProjectInfo(WebProjectInfo wpInfo) {
+		IClasspathEntry[] wasClasspath = wpInfo.getWASClasspathEntries();
+		IClasspathEntry[] serverJdkClasspath = wpInfo.getServerJDKClasspathEntries();
+		List list = new ArrayList(wasClasspath.length + serverJdkClasspath.length);
+		list.addAll(Arrays.asList(wasClasspath));
+		list.addAll(Arrays.asList(serverJdkClasspath));
+
+		ClasspathEntry[] ret = new ClasspathEntry[list.size()];
+		return (IClasspathEntry[]) list.toArray(ret);
+	}
+
+
+	protected IClasspathEntry[] getOldDefaultClasspath() {
+		WebProjectInfo wpInfo = new WebProjectInfo();
+		wpInfo.setProject(nature.getProject());
+		wpInfo.setJSPLevel(nature.getJSPLevel());
+		wpInfo.setServletLevel(nature.getServletLevel());
+		return getClasspathsFromWebProjectInfo(wpInfo);
+	}
+
+	protected IClasspathEntry[] getDefaultClasspath() {
+		WebProjectInfo wpInfo = new WebProjectInfo();
+		wpInfo.setProject(nature.getProject());
+		wpInfo.setJSPLevel(webProjectInfo.getJSPLevel());
+		wpInfo.setServletLevel(webProjectInfo.getServletLevel());
+		return getClasspathsFromWebProjectInfo(wpInfo);
+	}
+
+
+
+	protected void updateClassPathEntries(IProgressMonitor monitor) throws InvocationTargetException {
+		IProject project = webProjectInfo.getProject();
+		try {
+			if (project.hasNature(JavaCore.NATURE_ID)) {
+				IJavaProject javaProject = JavaCore.create(project);
+				IClasspathEntry[] existingClasspath = javaProject.getRawClasspath();
+				IClasspathEntry[] oldDefaultClasspath = getOldDefaultClasspath();
+				IClasspathEntry[] defaultClasspath = getDefaultClasspath();
+				IClasspathEntry[] newClasspath = ClasspathUtilities.removeClasspathEntries(existingClasspath, oldDefaultClasspath);
+				newClasspath = ClasspathUtilities.addClasspathEntries(newClasspath, defaultClasspath);
+				javaProject.setRawClasspath(newClasspath, monitor);
+			}
+		} catch (JavaModelException e) {
+			throw new InvocationTargetException(e);
+		} catch (CoreException e) {
+			throw new InvocationTargetException(e);
+		}
+	}
+
+}
+\ No newline at end of file