IncrementalBuildDeltaVisitor.java

/*
 * ====================================================================
 * 
 * The ObjectStyle Group Software License, Version 1.0
 * 
 * Copyright (c) 2005 - 2006 The ObjectStyle Group and individual authors of the
 * software. All rights reserved.
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 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
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 * 3. The end-user documentation included with the redistribution, if any, must
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 * developed by the ObjectStyle Group (http://objectstyle.org/)." Alternately,
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package org.objectstyle.wolips.core.resources.internal.build;

import java.util.Map;

import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.IResourceDelta;
import org.eclipse.core.resources.IResourceDeltaVisitor;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.objectstyle.wolips.core.resources.builder.IBuilder;
import org.objectstyle.wolips.core.resources.builder.IIncrementalBuilder;

/**
 * @author ulrich/mike
 */
public class IncrementalBuildDeltaVisitor extends AbstractBuildVisitor implements IResourceDeltaVisitor {
	public IncrementalBuildDeltaVisitor(BuilderWrapper[] builderWrappers, IProgressMonitor progressMonitor, Map buildCache) {
		super(builderWrappers, progressMonitor, buildCache);
	}

	public boolean visit(IResourceDelta delta) throws CoreException {
		if (delta == null || isCanceled()) {
			return false;
		}
		IResource resource = delta.getResource();
		if (resource.isDerived()) {
			//System.out.println("IncrementalBuildDeltaVisitor.visit: " + resource);
			return false;
		}
		IProgressMonitor progressMonitor = getProgressMonitor();
		Map buildCache = getBuildCache();
		int woResourceType = getWoResourceType(resource);
		if (woResourceType == AbstractBuildVisitor.WO_RESOURCE_TYPE_CLASS) {
			this.notifyBuilderHandleClassesDelta(delta, progressMonitor, buildCache);
		} else if (woResourceType == AbstractBuildVisitor.WO_RESOURCE_TYPE_CLASSPATH) {
			this.notifyBuilderHandleOtherDelta(delta, progressMonitor, buildCache);
			this.notifyBuilderClasspathChanged(delta, progressMonitor, buildCache);
		} else if (woResourceType == AbstractBuildVisitor.WO_RESOURCE_TYPE_IGNORE) {
			// ignored resource
		} else if (woResourceType == AbstractBuildVisitor.WO_RESOURCE_TYPE_OTHER) {
			this.notifyBuilderHandleOtherDelta(delta, progressMonitor, buildCache);
		} else if (woResourceType == AbstractBuildVisitor.WO_RESOURCE_TYPE_RESOURCE) {
			this.notifyBuilderHandleResourcesDelta(delta, progressMonitor, buildCache);
		} else if (woResourceType == AbstractBuildVisitor.WO_RESOURCE_TYPE_SOURCE) {
			this.notifyBuilderHandleSourceDelta(delta, progressMonitor, buildCache);
		} else if (woResourceType == AbstractBuildVisitor.WO_RESOURCE_TYPE_WEB_SERVER_RESOURCE) {
			this.notifyBuilderHandleWebServerResourcesDelta(delta, progressMonitor, buildCache);
		}
		return true;
	}

	private void notifyBuilderClasspathChanged(IResourceDelta delta, IProgressMonitor progressMonitor, Map buildCache) {
		BuilderWrapper[] builderWrappers = getBuilderWrappers();
		for (int i = 0; i < builderWrappers.length; i++) {
			IBuilder builder = builderWrappers[i].getBuilder();
			if (builder.isEnabled() && builder instanceof IIncrementalBuilder) {
				((IIncrementalBuilder) builder).classpathChanged(delta, progressMonitor, buildCache);
			}
		}
	}

	private void notifyBuilderHandleClassesDelta(IResourceDelta delta, IProgressMonitor progressMonitor, Map buildCache) {
		BuilderWrapper[] builderWrappers = getBuilderWrappers();
		for (int i = 0; i < builderWrappers.length; i++) {
			IBuilder builder = builderWrappers[i].getBuilder();
			if (builder.isEnabled() && builder instanceof IIncrementalBuilder) {
				((IIncrementalBuilder) builder).handleClassesDelta(delta, progressMonitor, buildCache);
			}
		}
	}

	private void notifyBuilderHandleResourcesDelta(IResourceDelta delta, IProgressMonitor progressMonitor, Map buildCache) {
		BuilderWrapper[] builderWrappers = getBuilderWrappers();
		for (int i = 0; i < builderWrappers.length; i++) {
			IBuilder builder = builderWrappers[i].getBuilder();
			if (builder.isEnabled() && builder instanceof IIncrementalBuilder) {
				((IIncrementalBuilder) builder).handleWoappResourcesDelta(delta, progressMonitor, buildCache);
			}
		}
	}

	private void notifyBuilderHandleSourceDelta(IResourceDelta delta, IProgressMonitor progressMonitor, Map buildCache) {
		BuilderWrapper[] builderWrappers = getBuilderWrappers();
		for (int i = 0; i < builderWrappers.length; i++) {
			IBuilder builder = builderWrappers[i].getBuilder();
			if (builder.isEnabled() && builder instanceof IIncrementalBuilder) {
				((IIncrementalBuilder) builder).handleSourceDelta(delta, progressMonitor, buildCache);
			}
		}
	}

	private void notifyBuilderHandleWebServerResourcesDelta(IResourceDelta delta, IProgressMonitor progressMonitor, Map buildCache) {
		BuilderWrapper[] builderWrappers = getBuilderWrappers();
		for (int i = 0; i < builderWrappers.length; i++) {
			IBuilder builder = builderWrappers[i].getBuilder();
			if (builder.isEnabled() && builder instanceof IIncrementalBuilder) {
				((IIncrementalBuilder) builder).handleWebServerResourcesDelta(delta, progressMonitor, buildCache);
			}
		}
	}

	private void notifyBuilderHandleOtherDelta(IResourceDelta delta, IProgressMonitor progressMonitor, Map buildCache) {
		BuilderWrapper[] builderWrappers = getBuilderWrappers();
		for (int i = 0; i < builderWrappers.length; i++) {
			IBuilder builder = builderWrappers[i].getBuilder();
			if (builder.isEnabled() && builder instanceof IIncrementalBuilder) {
				((IIncrementalBuilder) builder).handleOtherDelta(delta, progressMonitor, buildCache);
			}
		}
	}
}