org.sonar.ide.eclipse.jdt.internal.JavaResourceResolver.java Source code

Introduction

Here is the source code for org.sonar.ide.eclipse.jdt.internal.JavaResourceResolver.java

Source

/*
 * SonarQube Eclipse
 * Copyright (C) 2010-2014 SonarSource
 * dev@sonar.codehaus.org
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 3 of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
 */
package org.sonar.ide.eclipse.jdt.internal;

import org.apache.commons.lang.StringUtils;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.jdt.core.ICompilationUnit;
import org.eclipse.jdt.core.IJavaElement;
import org.eclipse.jdt.core.IJavaProject;
import org.eclipse.jdt.core.IPackageFragment;
import org.eclipse.jdt.core.IPackageFragmentRoot;
import org.eclipse.jdt.core.IType;
import org.eclipse.jdt.core.JavaCore;
import org.eclipse.jdt.core.JavaModelException;
import org.sonar.ide.eclipse.core.ResourceResolver;

public class JavaResourceResolver extends ResourceResolver {

    @Override
    public String getSonarPartialKey(IResource resource) {
        IJavaElement javaElement = JavaCore.create(resource);
        if (javaElement instanceof ICompilationUnit) {
            String packageName = getPackageName(javaElement.getParent());
            String className = StringUtils.substringBeforeLast(javaElement.getElementName(), "."); //$NON-NLS-1$
            return packageName + "." + className; //$NON-NLS-1$
        } else if (javaElement instanceof IPackageFragmentRoot) {
            return "[default]"; //$NON-NLS-1$
        } else if (javaElement instanceof IPackageFragment) {
            return getPackageName(javaElement);
        }
        return null;
    }

    private String getPackageName(IJavaElement javaElement) {
        String packageName = null;
        if (javaElement instanceof IPackageFragmentRoot) {
            packageName = ""; //$NON-NLS-1$
        } else if (javaElement instanceof IPackageFragment) {
            IPackageFragment packageFragment = (IPackageFragment) javaElement;
            packageName = packageFragment.getElementName();
        }
        if (StringUtils.isEmpty(packageName)) {
            packageName = "[default]"; //$NON-NLS-1$
        }
        return packageName;
    }

    @Override
    public IResource locate(IProject project, String resourceKey) {
        IJavaProject javaProject = JavaCore.create(project);
        if (javaProject != null) {
            try {
                String className = StringUtils.removeStart(resourceKey, "[default]."); //$NON-NLS-1$

                IType type = javaProject.findType(className);
                if (type == null) {
                    return null;
                }
                IResource result = type.getCompilationUnit().getResource();
                return result instanceof IFile ? result : null;
            } catch (JavaModelException e) {
                return null;
            }
        }
        return null;
    }

}