QuickfixSupport.java

/*******************************************************************************
 *  Copyright (c) 2012 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:
 *      VMware, Inc. - initial API and implementation
 *******************************************************************************/
package org.springframework.ide.eclipse.quickfix;

import java.util.HashSet;
import java.util.Set;

import org.springframework.ide.eclipse.beans.core.namespaces.NamespaceUtils;
import org.springframework.ide.eclipse.quickfix.validator.BeanValidator;
import org.w3c.dom.Attr;
import org.w3c.dom.Node;


/**
 * Abstract support class for getting the right validator for an attribute of a
 * bean configuration. Subclasses need to specify the initiation of the
 * available validators.
 * @author Terry Denney
 * @author Leo Dos Santos
 * @author Christian Dupuis
 * @since 2.0
 */
public abstract class QuickfixSupport {

	public static final String BEAN_NAMESPACE = NamespaceUtils.DEFAULT_NAMESPACE_URI;

	private final Set<BeanValidator> validators;

	public QuickfixSupport() {
		this.validators = new HashSet<BeanValidator>();
		init();
	}

	public Set<BeanValidator> getQuickfixValidators(Node node) {
		Set<BeanValidator> matchedValidators = new HashSet<BeanValidator>();
		for (BeanValidator validator : validators) {
			if (validator.accept(node)) {
				matchedValidators.add(validator);
			}
		}

		return matchedValidators;
	}

	public Set<BeanValidator> getQuickfixValidators(Node node, Attr attr) {
		Set<BeanValidator> matchedValidators = new HashSet<BeanValidator>();
		for (BeanValidator validator : validators) {
			if (validator.acceptAttribute(node, attr)) {
				matchedValidators.add(validator);
			}
		}

		return matchedValidators;
	}

	abstract protected void init();

	protected void setAttributeValidator(String namespaceURI, String nodeName, String attributeName,
			BeanValidator validator) {
		validator.setNamespaceURI(namespaceURI);
		validator.setNodeName(nodeName);
		validator.setAttributeName(attributeName);
		validators.add(validator);
	}

	protected void setValidator(String namespaceURI, String nodeName, BeanValidator validator) {
		validator.setNamespaceURI(namespaceURI);
		validator.setNodeName(nodeName);
		validators.add(validator);
	}

}