org.eclipse.virgo.ide.manifest.internal.core.validation.BundleManifestValidator.java Source code

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Here is the source code for org.eclipse.virgo.ide.manifest.internal.core.validation.BundleManifestValidator.java

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/*******************************************************************************
 * Copyright (c) 2009 SpringSource, a divison of VMware, Inc.
 * 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:
 *     SpringSource, a division of VMware, Inc. - initial API and implementation
 *******************************************************************************/
package org.eclipse.virgo.ide.manifest.internal.core.validation;

import java.util.Collections;
import java.util.HashSet;
import java.util.LinkedHashSet;
import java.util.Set;

import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.jdt.core.IJavaProject;
import org.eclipse.virgo.ide.facet.core.FacetUtils;
import org.eclipse.virgo.ide.manifest.core.BundleManifestUtils;
import org.eclipse.virgo.ide.manifest.internal.core.model.BundleManifest;
import org.eclipse.virgo.ide.manifest.internal.core.model.BundleManifestHeader;
import org.springframework.ide.eclipse.core.SpringCoreUtils;
import org.springframework.ide.eclipse.core.java.JdtUtils;
import org.springframework.ide.eclipse.core.model.IModelElement;
import org.springframework.ide.eclipse.core.model.IResourceModelElement;
import org.springframework.ide.eclipse.core.model.validation.AbstractValidator;
import org.springframework.ide.eclipse.core.model.validation.IValidationContext;
import org.springframework.ide.eclipse.core.model.validation.IValidationElementLifecycleManager;

/**
 * {@link AbstractValidator} that handles validation of MANIFEST.MF.
 * @author Christian Dupuis
 * @since 1.0.0
 */
public class BundleManifestValidator extends AbstractValidator {

    /**
     * {@inheritDoc}
     */
    public Set<IResource> deriveResources(Object object) {
        return Collections.emptySet();
    }

    /**
     * {@inheritDoc}
     */
    public Set<IResource> getAffectedResources(IResource resource, int kind, int deltaKind) throws CoreException {
        IJavaProject javaProject = JdtUtils.getJavaProject(resource);
        IResource bundleManifest = BundleManifestUtils.locateManifest(javaProject, false);
        Set<IResource> resources = new LinkedHashSet<IResource>();
        if ((FacetUtils.isBundleProject(resource) && resource.equals(bundleManifest))
                || (FacetUtils.isParProject(resource) && SpringCoreUtils.isManifest(resource))) {
            resources.add(resource);
        } else if (FacetUtils.isBundleProject(resource)
                && resource.getProjectRelativePath().toString().equals("template.mf")) {
            resources.add(resource);
        }
        return resources;
    }

    /**
     * {@inheritDoc}
     */
    @Override
    protected IValidationContext createContext(IResourceModelElement rootElement,
            IResourceModelElement contextElement) {
        return new BundleManifestValidationContext(rootElement, contextElement);
    }

    /**
     * {@inheritDoc}
     */
    @Override
    protected IValidationElementLifecycleManager createValidationElementLifecycleManager() {
        return new BundleManifestElementLifecycleManager();
    }

    /**
     * {@inheritDoc}
     */
    @Override
    protected boolean supports(IModelElement element) {
        return element instanceof BundleManifest || element instanceof BundleManifestHeader;
    }

    static class BundleManifestElementLifecycleManager implements IValidationElementLifecycleManager {

        private IResourceModelElement rootElement = null;

        /**
         * {@inheritDoc}
         */
        public void destory() {
            // nothing to do
        }

        /**
         * {@inheritDoc}
         */
        public Set<IResourceModelElement> getContextElements() {
            Set<IResourceModelElement> contextElements = new HashSet<IResourceModelElement>();
            contextElements.add(getRootElement());
            return contextElements;
        }

        /**
         * {@inheritDoc}
         */
        public IResourceModelElement getRootElement() {
            return rootElement;
        }

        public void init(IResource resource) {
            if (resource instanceof IFile) {
                rootElement = new BundleManifest((IFile) resource);
            }
        }
    }

}