eu.trentorise.smartcampus.permissionprovider.common.Utils.java Source code

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Here is the source code for eu.trentorise.smartcampus.permissionprovider.common.Utils.java

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/*******************************************************************************
 * Copyright 2012-2013 Trento RISE
 * 
 *    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 eu.trentorise.smartcampus.permissionprovider.common;

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

import org.springframework.util.StringUtils;

import eu.trentorise.smartcampus.network.JsonUtils;
import eu.trentorise.smartcampus.permissionprovider.jaxbmodel.ResourceDeclaration;
import eu.trentorise.smartcampus.permissionprovider.jaxbmodel.ResourceMapping;
import eu.trentorise.smartcampus.permissionprovider.model.ServiceDescriptor;

/**
 * Common methods and functions
 * @author raman
 *
 */
public class Utils {

    /**
     * Generate set of strings out of specified delimited string. Remove also leading/trailing spaces around the elements.
     * @param input
     * @param delimiter
     * @return
     */
    public static Set<String> delimitedStringToSet(String input, String delimiter) {
        HashSet<String> res = new HashSet<String>();
        String[] arr = null;
        if (delimiter != null) {
            arr = input.split(delimiter);
            for (String s : arr) {
                res.add(s.trim());
            }
        }
        return res;
    }

    /**
     * Correct values of the specified comma-separated string: remove redundant spaces
     * @param in
     * @return
     */
    public static String normalizeValues(String in) {
        return StringUtils.trimAllWhitespace(in);
    }

    /**
     * Convert {@link eu.trentorise.smartcampus.permissionprovider.jaxbmodel.Service} object
     * to {@link ServiceDescriptor} persisted entity
     * @param s
     * @return converted {@link ServiceDescriptor} entity
     */
    public static ServiceDescriptor toServiceEntity(
            eu.trentorise.smartcampus.permissionprovider.jaxbmodel.Service s) {
        ServiceDescriptor res = new ServiceDescriptor();
        res.setDescription(s.getDescription());
        res.setServiceName(s.getName());
        res.setServiceId(s.getId());
        res.setResourceDefinitions(JsonUtils.toJSON(s.getResource()));
        res.setResourceMappings(JsonUtils.toJSON(s.getResourceMapping()));
        return res;
    }

    /**
     * Convert {@link ServiceDescriptor} entity to {@link eu.trentorise.smartcampus.permissionprovider.jaxbmodel.Service} object
     * @param s
     * @return converted {@link eu.trentorise.smartcampus.permissionprovider.jaxbmodel.Service} object
     */
    public static eu.trentorise.smartcampus.permissionprovider.jaxbmodel.Service toServiceObject(
            ServiceDescriptor s) {
        eu.trentorise.smartcampus.permissionprovider.jaxbmodel.Service res = new eu.trentorise.smartcampus.permissionprovider.jaxbmodel.Service();
        res.setDescription(s.getDescription());
        res.setId(s.getServiceId());
        res.setName(s.getServiceName());
        res.getResource().clear();
        res.getResource().addAll(JsonUtils.toObjectList(s.getResourceDefinitions(), ResourceDeclaration.class));
        res.getResourceMapping().clear();
        res.getResourceMapping().addAll(JsonUtils.toObjectList(s.getResourceMappings(), ResourceMapping.class));
        return res;
    }
}