• Home
• org.ovirt.engine.api
• sdk
• 4.1.0
• source code
• XmlOptionReader.java

×

Project download

Many resources are needed to download a project. Please understand that we have to compensate our server costs. Thank you in advance.
Project price only 1 $

You can buy this project and download/modify it how often you want.

org.ovirt.engine.sdk4.internal.xml.XmlOptionReader Maven / Gradle / Ivy

/*
Copyright (c) 2015 Red Hat, Inc.
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.ovirt.engine.sdk4.internal.xml;

import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.NoSuchElementException;
import org.ovirt.api.metamodel.runtime.util.ArrayListWithHref;
import org.ovirt.api.metamodel.runtime.util.ListWithHref;
import org.ovirt.api.metamodel.runtime.xml.XmlReader;
import org.ovirt.engine.sdk4.internal.containers.OptionContainer;
import org.ovirt.engine.sdk4.types.Option;

public class XmlOptionReader {
    
    public static Option readOne(XmlReader reader) {
        // Do nothing if there aren't more tags:
        if (!reader.forward()) {
            return null;
        }
        
        // Create the object:
        OptionContainer object = new OptionContainer();
        
        // Process the inner elements:
        reader.next();
        while (reader.forward()) {
            String name = reader.getLocalName();
            switch (name) {
                case "name":
                object.name(reader.readString());
                break;
                case "type":
                object.type(reader.readString());
                break;
                case "value":
                object.value(reader.readString());
                break;
                case "link":
                readLink(reader, object);
                break;
                default:
                reader.skip();
                break;
            }
        }
        
        // Discard the end tag:
        reader.next();
        
        return object;
    }
    
    public static Iterator iterateMany(final XmlReader reader) {
        return new Iterator() {
            private boolean first = true;
            
            @Override
            public void remove() {
                // Empty on purpose
            }
            
            @Override
            public boolean hasNext() {
                if (first) {
                    if (!reader.forward()) {
                        return false;
                    }
                    reader.next();
                    first = false;
                }
                if (!reader.forward()) {
                    reader.next();
                    return false;
                }
                return true;
            }
            
            @Override
            public Option next() {
                Option next = readOne(reader);
                if (next == null) {
                    throw new NoSuchElementException();
                }
                return next;
            }
        };
    }
    
    public static List readMany(XmlReader reader) {
        List list = new ArrayList<>();
        Iterator iterator = iterateMany(reader);
        while (iterator.hasNext()) {
            list.add(iterator.next());
        }
        return list;
    }
    
    private static void readLink(XmlReader reader, OptionContainer object) {
        // Process the attributes:
        String rel = null;
        String href = null;
        for (int i = 0; i < reader.getAttributeCount(); i++) {
            String attrName = reader.getAttributeLocalName(i);
            String attrVal = reader.getAttributeValue(i);
            switch (attrName) {
                case "href":
                href = attrVal;
                break;
                case "rel":
                rel = attrVal;
                break;
                default:
                reader.skip();
                break;
            }
        }
        reader.skip();
    }
}