gov.nih.nci.cabig.caaers.web.search.AdvancedSearchUiUtil.java Source code

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Here is the source code for gov.nih.nci.cabig.caaers.web.search.AdvancedSearchUiUtil.java

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/*******************************************************************************
 * Copyright SemanticBits, Northwestern University and Akaza Research
 * 
 * Distributed under the OSI-approved BSD 3-Clause License.
 * See http://ncip.github.com/caaers/LICENSE.txt for details.
 ******************************************************************************/
package gov.nih.nci.cabig.caaers.web.search;

import gov.nih.nci.cabig.caaers.CaaersSystemException;
import gov.nih.nci.cabig.caaers.web.search.ui.AdvancedSearchUi;
import gov.nih.nci.cabig.caaers.web.search.ui.DependentObject;
import gov.nih.nci.cabig.caaers.web.search.ui.Operator;
import gov.nih.nci.cabig.caaers.web.search.ui.SearchTargetObject;
import gov.nih.nci.cabig.caaers.web.search.ui.UiAttribute;

import java.io.InputStream;

import javax.xml.bind.JAXBContext;
import javax.xml.bind.Unmarshaller;

import org.apache.commons.lang.StringUtils;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

/**
 * This is a utility class for AdvancedSearchUi.
 *
 * @author Sameer Sawant
 */
public final class AdvancedSearchUiUtil {

    private static final Log log = LogFactory.getLog(AdvancedSearchUiUtil.class);

    private AdvancedSearchUiUtil() {
    }

    public static SearchTargetObject getSearchTargetObjectByName(AdvancedSearchUi advancedSearchUi,
            String targetObjectName) {
        for (SearchTargetObject stObject : advancedSearchUi.getSearchTargetObject())
            if (stObject.getClassName().equals(targetObjectName))
                return stObject;
        return null;
    }

    public static UiAttribute getUiAttributeByName(DependentObject dObject, String attributeName) {
        for (UiAttribute attr : dObject.getUiAttribute())
            if (attr.getName().equals(attributeName))
                return attr;
        return null;
    }

    public static DependentObject getDependentObjectByName(SearchTargetObject stObject,
            String dependentObjectName) {
        for (DependentObject dObject : stObject.getDependentObject())
            if (dObject.getClassName().equals(dependentObjectName))
                return dObject;
        return null;
    }

    public static DependentObject getDependentObjectByDisplayName(SearchTargetObject stObject,
            String dependentObjectDisplayName) {
        for (DependentObject dObject : stObject.getDependentObject())
            if (dObject.getDisplayName().equals(dependentObjectDisplayName))
                return dObject;
        return null;
    }

    /**
     * @param attr
     * @param predicate
     * @return
     */
    public static Operator getOperator(UiAttribute attr, String predicate) {
        for (Operator op : attr.getOperator()) {
            if (StringUtils.equalsIgnoreCase(predicate, op.getName())) {
                return op;
            }
        }
        return null;
    }

    /**
     * Will parse the AdvancedSearchUi
     * @return
     */

    public static AdvancedSearchUi loadAdvancedSearchUi() throws CaaersSystemException {

        AdvancedSearchUi advancedSearchUi = null;

        InputStream inputStream = Thread.currentThread().getContextClassLoader()
                .getResourceAsStream("advancedSearch-ui.xml");
        Unmarshaller unmarshaller;
        try {
            unmarshaller = JAXBContext.newInstance("gov.nih.nci.cabig.caaers.web.search.ui").createUnmarshaller();
            advancedSearchUi = (AdvancedSearchUi) unmarshaller.unmarshal(inputStream);
        } catch (Exception e) {
            log.error("Error while loading advanced search ui.", e);
            throw new CaaersSystemException("Unable to parse advancedSearch-ui.xml", e);
        }

        return advancedSearchUi;
    }

}