MetadataNode.java

/*
* Copyright (C) 2012 The Android Open Source Project
*
* 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 com.motorola.studio.android.model.manifest.dom;

import java.util.List;
import java.util.Map;

import org.eclipse.core.runtime.Assert;
import org.eclipse.core.runtime.IStatus;

/**
 * Class that represents a <meta-data> node on AndroidManifest.xml file
 */
public class MetadataNode extends AndroidManifestNode implements IAndroidManifestProperties
{
    static
    {
        defaultProperties.add(PROP_NAME);
        defaultProperties.add(PROP_RESOURCE);
        defaultProperties.add(PROP_VALUE);
    }

    /**
     * The name property
     */
    private String propName = null;

    /**
     * The resource property
     */
    private String propResource = null;

    /**
     * The value property
     */
    private String propValue = null;

    /**
     * Default constructor
     * 
     * @param name the name property. It must not be null.
     */
    public MetadataNode(String name)
    {
        Assert.isLegal(name != null);
        this.propName = name;
    }

    /* (non-Javadoc)
     * @see com.motorola.studio.android.model.manifest.dom.AndroidManifestNode#canContains(com.motorola.studio.android.model.manifest.dom.AndroidManifestNode.NodeType)
     */
    @Override
    protected boolean canContains(NodeType nodeType)
    {
        // Always returns false. This node can not contain children.
        return false;
    }

    /* (non-Javadoc)
     * @see com.motorola.studio.android.model.manifest.dom.AndroidManifestNode#getNodeProperties()
     */
    @Override
    public Map<String, String> getNodeProperties()
    {
        properties.clear();

        properties.put(PROP_NAME, propName);

        if ((propResource != null) && (propResource.trim().length() > 0))
        {
            properties.put(PROP_RESOURCE, propResource);
        }

        if ((propValue != null) && (propValue.length() > 0))
        {
            properties.put(PROP_VALUE, propValue);
        }

        return properties;
    }

    /* (non-Javadoc)
     * @see com.motorola.studio.android.model.manifest.dom.AndroidManifestNode#getNodeType()
     */
    @Override
    public NodeType getNodeType()
    {
        return NodeType.MetaData;
    }

    /* (non-Javadoc)
     * @see com.motorola.studio.android.model.manifest.dom.AndroidManifestNode#isNodeValid()
     */
    @Override
    protected boolean isNodeValid()
    {
        boolean containsOnlyResource = (propResource != null) && (propValue == null);
        boolean containsOnlyValue = (propResource == null) && (propValue != null);

        return (propName.trim().length() > 0) && (containsOnlyResource || containsOnlyValue);
    }

    /**
     * Gets the name property value
     * 
     * @return the name property value
     */
    public String getName()
    {
        return propName;
    }

    /**
     * Sets the name property value. This property must not be null.
     * 
     * @param name the name property value
     */
    public void setName(String name)
    {
        Assert.isLegal(name != null);
        this.propName = name;
    }

    /**
     * Gets the resource property value
     * 
     * @return the resource property value
     */
    public String getResource()
    {
        return propResource;
    }

    /**
     * Sets the resource property value. This property must not be null.
     * 
     * @param resource the resource property value
     */
    public void setResource(String resource)
    {
        this.propResource = resource;
    }

    /**
     * Gets the value property value
     * 
     * @return the value property value
     */
    public String getValue()
    {
        return propValue;
    }

    /**
     * Sets the value property value. This property must not be null.
     * 
     * @param value the value property value
     */
    public void setValue(String value)
    {
        this.propValue = value;
    }

    /* (non-Javadoc)
     * @see com.motorola.studio.android.model.manifest.dom.AndroidManifestNode#getSpecificNodeErrors()
     */
    @Override
    protected List<IStatus> getSpecificNodeProblems()
    {
        return null;
    }
}