org.n52.smartsensoreditor.validator.MetadataValidatorSML.java Source code

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Here is the source code for org.n52.smartsensoreditor.validator.MetadataValidatorSML.java

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/**
 * Copyright (C) 2014-2015 52North Initiative for Geospatial Open Source
 * Software GmbH
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 as published
 * by the Free Software Foundation.
 *
 * If the program is linked with libraries which are licensed under one of
 * the following licenses, the combination of the program with the linked
 * library is not considered a "derivative work" of the program:
 *
 *     - Apache License, version 2.0
 *     - Apache Software License, version 1.0
 *     - GNU Lesser General Public License, version 3
 *     - Mozilla Public License, versions 1.0, 1.1 and 2.0
 *     - Common Development and Distribution License (CDDL), version 1.0
 *
 * Therefore the distribution of the program linked with libraries licensed
 * under the aforementioned licenses, is permitted by the copyright holders
 * if the distribution is compliant with both the GNU General Public
 * License version 2 and the aforementioned licenses.
 *
 * 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 General
 * Public License for more details.
 */
package org.n52.smartsensoreditor.validator;

import de.conterra.smarteditor.beans.BackendBean;
import de.conterra.smarteditor.service.BackendManagerService;
import de.conterra.smarteditor.util.XPathUtil;
import de.conterra.smarteditor.validator.MetadataValidator;
import de.conterra.smarteditor.xml.EditorContext;

import org.springframework.validation.Errors;
import org.w3c.dom.Document;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;

import javax.xml.xpath.XPathConstants;

/**
 * Main validator class for validation
 * <p/>
 * 
 */
public class MetadataValidatorSML extends MetadataValidator {

    private EditorContext editorContext;

    public EditorContext getEditorContext() {
        return editorContext;
    }

    public void setEditorContext(EditorContext editorContext) {
        this.editorContext = editorContext;
    }

    /**
     * validates the backend bean properties against a given schematron (or
     * else) validator
     *
     * @param target
     * @param errors
     */
    public void validate(Object target, Errors errors) {
        BackendBean lBean = (BackendBean) target;
        // chekc if we need to validate
        if (lBean.getValidatorId() != null && !lBean.getValidatorId().equals("")) {
            // apply schematron transformation
            Document lReport = getService().validate(lBean.getValidatorId());
            // add assertions to errors.
            XPathUtil lUtil = new XPathUtil();
            lUtil.setContext(editorContext);
            Object o = lUtil.evaluateXPath("//svrl:failed-assert", XPathConstants.NODESET, lReport);
            if (o != null) {
                NodeList lList = ((NodeList) o);
                for (int i = 0; i < lList.getLength(); i++) {
                    Node lNode = lList.item(i);
                    errors.rejectValue(lUtil.evaluateAsString("@id", lNode),
                            lUtil.evaluateAsString("svrl:text", lNode));
                }
            }
        }
    }
}