net.di2e.ecdr.search.transform.atom.response.security.SecurityMarkingParser.java Source code

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Here is the source code for net.di2e.ecdr.search.transform.atom.response.security.SecurityMarkingParser.java

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/**
 * Copyright (C) 2014 Cohesive Integrations, LLC (info@cohesiveintegrations.com)
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package net.di2e.ecdr.search.transform.atom.response.security;

import java.util.Arrays;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Set;

import javax.xml.namespace.QName;

import net.di2e.ecdr.commons.CDRMetacard;
import net.di2e.ecdr.commons.constants.SecurityConstants;
import net.di2e.ecdr.search.transform.atom.security.SecurityDataImpl;

import org.apache.abdera.model.Entry;
import org.apache.abdera.model.Feed;
import org.apache.commons.lang.StringUtils;

import ddf.catalog.data.Metacard;

public final class SecurityMarkingParser {

    private static final Set<String> NAMESPACES = new HashSet<String>();

    static {
        NAMESPACES.add("urn:us:gov:ic:ism:v2");
        NAMESPACES.add("urn:us:gov:ic:ism");
    }

    private SecurityMarkingParser() {
    }

    public static Metacard addSecurityToMetacard(Metacard metacard, Entry entry) {
        HashMap<String, List<String>> securityProps = new HashMap<String, List<String>>();
        CDRMetacard metacardImpl = new CDRMetacard(metacard);
        List<QName> attributes = entry.getAttributes();
        if (attributes != null) {
            String metacardSecurityNamespace = null;
            for (QName qName : attributes) {
                String namespace = qName.getNamespaceURI();
                if (NAMESPACES.contains(namespace)) {
                    String value = entry.getAttributeValue(qName);
                    if (StringUtils.isNotBlank(value)) {
                        securityProps.put(qName.getLocalPart(), getValues(value));
                        if (metacardSecurityNamespace == null) {
                            metacardSecurityNamespace = namespace;
                        }
                    }
                }
            }
            if (!securityProps.isEmpty()) {
                metacardImpl.setSecurity(securityProps);
                metacardImpl.setAttribute(SecurityConstants.SECURITY_NAMESPACE, metacardSecurityNamespace);
            }
        }
        return metacardImpl;
    }

    public static SecurityDataImpl getFeedSecurityMarkings(Feed feed) {

        List<QName> attributes = feed.getAttributes();
        if (attributes != null) {
            HashMap<String, List<String>> securityProps = new HashMap<String, List<String>>();
            String feedNamespace = null;
            for (QName qName : attributes) {
                String namespace = qName.getNamespaceURI();
                if (NAMESPACES.contains(namespace)) {
                    String value = feed.getAttributeValue(qName);
                    if (StringUtils.isNotBlank(value)) {
                        securityProps.put(qName.getLocalPart(), getValues(value));
                        if (feedNamespace == null) {
                            feedNamespace = namespace;
                        }
                    }
                }
            }
            if (!securityProps.isEmpty()) {
                return new SecurityDataImpl(securityProps, feedNamespace);
            }
        }
        return null;
    }

    public static List<String> getValues(String attributeValue) {

        String[] values = attributeValue.split(" ");
        return Arrays.asList(values);
    }

}