org.jclouds.ibmdev.functions.ParseUtils.java Source code

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Here is the source code for org.jclouds.ibmdev.functions.ParseUtils.java

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/**
 *
 * Copyright (C) 2010 Cloud Conscious, LLC. <info@cloudconscious.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 org.jclouds.ibmdev.functions;

import java.util.Set;

import org.jclouds.ibmdev.domain.Address;
import org.jclouds.ibmdev.domain.Image;
import org.jclouds.ibmdev.domain.Instance;
import org.jclouds.ibmdev.domain.Volume;

import com.google.common.base.Predicate;
import com.google.common.collect.ImmutableSet;
import com.google.common.collect.Iterables;
import com.google.common.collect.Sets;

/**
 * 
 * @author Adrian Cole
 */
public class ParseUtils {

    public static final Predicate<Address> CLEAN_ADDRESS = new Predicate<Address>() {
        @Override
        public boolean apply(Address input) {
            if ("0".equals(input.getInstanceId()))
                input.setInstanceId(null);
            if (input.getIp() != null && "".equals(input.getIp().trim()))
                input.setIp(null);
            else if (input.getIp() != null && input.getIp().endsWith(" "))
                input.setIp(input.getIp().trim());
            return true;
        }
    };

    private static final Set<String> emptyString = ImmutableSet.of("");
    /**
     * sometimes the service incorrectly returns an id of "0"
     * http://www-180.ibm.com/cloud/enterprise/
     * beta/ram/community/discussionTopic.faces?guid={DA689AEE
     * -783C-6FE7-6F9F-DFEE9763F806}&v=1&fid=1068&tid=1526
     */
    public static final Predicate<Volume> CLEAN_VOLUME = new Predicate<Volume>() {
        @Override
        public boolean apply(Volume input) {
            if ("0".equals(input.getInstanceId()))
                input.setInstanceId(null);
            if (emptyString.equals(input.getProductCodes()))
                input.getProductCodes().clear();
            return true;
        }
    };

    public static final Predicate<Image> CLEAN_IMAGE = new Predicate<Image>() {
        @Override
        public boolean apply(Image input) {
            if (emptyString.equals(input.getProductCodes()))
                input.getProductCodes().clear();
            return true;
        }
    };

    public static final Predicate<Instance> CLEAN_INSTANCE = new Predicate<Instance>() {
        @Override
        public boolean apply(Instance input) {
            if (emptyString.equals(input.getProductCodes()))
                input.getProductCodes().clear();
            if (input.getIp() != null && "".equals(input.getIp().trim()))
                input.setIp(null);
            else if (input.getIp() != null && input.getIp().endsWith(" "))
                input.setIp(input.getIp().trim());
            if (input.getHostname() != null && "".equals(input.getHostname().trim()))
                input.setHostname(null);
            else if (input.getHostname() != null && input.getHostname().endsWith(" "))
                input.setHostname(input.getHostname().trim());
            return true;
        }
    };

    public static <T> Set<T> clean(Iterable<T> elements, Predicate<T> cleaner) {
        return Sets.newLinkedHashSet(Iterables.filter(elements, cleaner));
    }
}