org.summer.dsl.xbase.ui.launching.JavaElementDelegateMainLaunch.java Source code

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Here is the source code for org.summer.dsl.xbase.ui.launching.JavaElementDelegateMainLaunch.java

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/*******************************************************************************
 * Copyright (c) 2012 itemis AG (http://www.itemis.eu) 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
 *******************************************************************************/
package org.summer.dsl.xbase.ui.launching;

import org.apache.log4j.Logger;
import org.eclipse.core.resources.IFile;
import org.eclipse.jdt.core.ICompilationUnit;
import org.eclipse.jdt.core.IJavaElement;
import org.eclipse.jdt.core.IMethod;
import org.eclipse.jdt.core.IType;
import org.eclipse.jdt.core.JavaCore;
import org.eclipse.jdt.core.JavaModelException;
import org.eclipse.jdt.core.dom.Modifier;

public class JavaElementDelegateMainLaunch extends JavaElementDelegate {

    private final static Logger log = Logger.getLogger(JavaElementDelegateJunitLaunch.class);

    @Override
    protected boolean containsElementsSearchedFor(IFile file) {
        IJavaElement element = JavaCore.create(file);
        if (element == null || !element.exists() || !(element instanceof ICompilationUnit)) {
            return false;
        }
        try {
            ICompilationUnit cu = (ICompilationUnit) element;
            for (IType type : cu.getAllTypes()) {
                for (IMethod method : type.getMethods()) {
                    int flags = method.getFlags();
                    if (Modifier.isPublic(flags) && Modifier.isStatic(flags)
                            && "main".equals(method.getElementName()) && method.getParameterTypes().length == 1
                            && method.getParameterTypes()[0].equals("[QString;")) { //$NON-NLS-1$
                        return true;
                    }
                }
            }
        } catch (JavaModelException e) {
            log.error(e);
        }
        return super.containsElementsSearchedFor(file);
    }
}