org.eclipse.jst.ws.internal.axis.creation.ui.command.AxisCheckCompilerLevelCommand.java Source code

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Here is the source code for org.eclipse.jst.ws.internal.axis.creation.ui.command.AxisCheckCompilerLevelCommand.java

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/*******************************************************************************
 * Copyright (c) 2005 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.ws.internal.axis.creation.ui.command;

import org.eclipse.core.resources.IProject;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.jdt.core.IJavaProject;
import org.eclipse.jdt.core.JavaCore;
import org.eclipse.jem.util.emf.workbench.ProjectUtilities;
import org.eclipse.jst.ws.internal.axis.creation.ui.AxisCreationUIMessages;
import org.eclipse.osgi.util.NLS;
import org.eclipse.wst.command.internal.env.core.common.StatusUtils;
import org.eclipse.wst.common.frameworks.datamodel.AbstractDataModelOperation;

/**
 * Check to make sure that the project containing the service bean is not at a compiler compliance setting
 * that's higher than the Java VM the workbench is launched with. 
 */
public class AxisCheckCompilerLevelCommand extends AbstractDataModelOperation {

    private String serverProject_;

    /**
     * Default CTOR
     */
    public AxisCheckCompilerLevelCommand() {
    }

    /* (non-Javadoc)
     * @see org.eclipse.core.commands.operations.IUndoableOperation#execute(org.eclipse.core.runtime.IProgressMonitor, org.eclipse.core.runtime.IAdaptable)
     */
    public IStatus execute(IProgressMonitor monitor, IAdaptable adaptable) {

        IStatus status = Status.OK_STATUS;
        String javaSpecVersion = System.getProperty("java.specification.version");
        if (javaSpecVersion != null) {
            IProject project = ProjectUtilities.getProject(serverProject_);
            IJavaProject javaProject = JavaCore.create(project);
            if (javaProject != null) {
                String projectCompilerLevel = javaProject.getOption("org.eclipse.jdt.core.compiler.compliance",
                        false);
                if (projectCompilerLevel == null) {
                    projectCompilerLevel = (String) JavaCore.getDefaultOptions()
                            .get("org.eclipse.jdt.core.compiler.compliance");
                }
                if (projectCompilerLevel != null) {
                    if (!compilerLevelsCompatible(javaSpecVersion, projectCompilerLevel)) {
                        status = StatusUtils.errorStatus(
                                NLS.bind(AxisCreationUIMessages.MSG_ERROR_COMPILER_LEVEL_NOT_COMPATIBLE,
                                        new String[] { javaSpecVersion, serverProject_, projectCompilerLevel }));
                        getEnvironment().getStatusHandler().reportError(status);
                    }
                }
            }
        }
        return status;
    }

    /**
     * Returns true if and only if the Java specification level
     * of the Eclipse JRE (<code>javaSpecVersion</code> is not
     * lower than the Java specification level of the compiler
     * (<code>projectCompilerLevel</code>. 
     * @param javaSpecVersion The Java Specification Version of the JRE.
     * @param projectCompilerLevel The Java project's compiler level.
     * @return True if the Java specification level of the project's
     * compiler does not exceed the Java specification level of the
     * JRE that Eclipse is running on, and false otherwise.
     */
    private boolean compilerLevelsCompatible(String javaSpecVersion, String projectCompilerLevel) {
        return (javaSpecVersion.compareTo(projectCompilerLevel) >= 0);
    }

    /**
     * Sets the project whose compiler level should be checked.
     * @param serverProject The project whose compiler level should be checked.
     */
    public void setServerProject(String serverProject) {
        serverProject_ = serverProject;
    }
}