/*
 * Copyright (c) 2003,2004, Stefan Haustein, Oberhausen, Rhld., Germany
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software and
 * associated documentation files (the "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the
 * following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in all copies or substantial
 * portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT
 * LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO
 * EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
 * USE OR OTHER DEALINGS IN THE SOFTWARE.
 * 
 * Contributor(s): John D. Beatty, F. Hunter, Renaud Tognelli
 */

package org.ksoap2.serialization;

import java.io.ByteArrayOutputStream;
import java.io.ByteArrayInputStream;
import java.io.ObjectOutputStream;
import java.io.ObjectInputStream;

import java.io.IOException;
import java.io.NotSerializableException;

/**
 * This class is used to store information about each property an implementation of KvmSerializable exposes.
 */

public class SppPropertyInfo implements java.io.Serializable
{
    public static final Class OBJECT_CLASS = new Object().getClass();
    public static final Class STRING_CLASS = "".getClass();
    public static final Class INTEGER_CLASS = new Integer(0).getClass();
    public static final Class LONG_CLASS = new Long(0).getClass();
    public static final Class BOOLEAN_CLASS = new Boolean(true).getClass();
    public static final Class VECTOR_CLASS = new java.util.Vector().getClass();
    public static final PropertyInfo OBJECT_TYPE = new PropertyInfo();
    public static final int TRANSIENT = 1;
    public static final int MULTI_REF = 2;
    public static final int REF_ONLY = 4;

    /**
     * Name of the property
     */
    public String name;

    /**
     * Namespace of this property
     */
    public String namespace;

    /**
     * Type of property, Transient, multi_ref, Ref_only *JHS* Note, not really used that effectively
     */
    public int flags;

    /**
     * The current value of this property.
     */
    protected Object value;

    /**
     * Type of the property/elements. Should usually be an instance of Class.
     */
    public Object type = OBJECT_CLASS;

    /**
     * if a property is multi-referenced, set this flag to true.
     */
    public boolean multiRef;

    /**
     * Element type for array properties, null if not array prop.
     */
    public PropertyInfo elementType;

    public SppPropertyInfo()
    {
    }

    public void clear()
    {
        type = OBJECT_CLASS;
        flags = 0;
        name = null;
        namespace = null;
    }

    /**
     * @return Returns the elementType.
     */
    public PropertyInfo getElementType()
    {
        return elementType;
    }

    /**
     * @param elementType
     *            The elementType to set.
     */
    public void setElementType(PropertyInfo elementType)
    {
        this.elementType = elementType;
    }

    /**
     * @return Returns the flags.
     */
    public int getFlags()
    {
        return flags;
    }

    /**
     * @param flags
     *            The flags to set.
     */
    public void setFlags(int flags)
    {
        this.flags = flags;
    }

    /**
     * @return Returns the multiRef.
     */
    public boolean isMultiRef()
    {
        return multiRef;
    }

    /**
     * @param multiRef
     *            The multiRef to set.
     */
    public void setMultiRef(boolean multiRef)
    {
        this.multiRef = multiRef;
    }

    /**
     * @return Returns the name.
     */
    public String getName()
    {
        return name;
    }

    /**
     * @param name
     *            The name to set.
     */
    public void setName(String name)
    {
        this.name = name;
    }

    /**
     * @return Returns the namespace.
     */
    public String getNamespace()
    {
        return namespace;
    }

    /**
     * @param namespace
     *            The namespace to set.
     */
    public void setNamespace(String namespace)
    {
        this.namespace = namespace;
    }

    /**
     * @return Returns the type.
     */
    public Object getType()
    {
        return type;
    }

    /**
     * @param type
     *            The type to set.
     */
    public void setType(Object type)
    {
        this.type = type;
    }

    /**
     * @return Returns the value.
     */
    public Object getValue()
    {
        return value;
    }

    /**
     * @param value
     *            The value to set.
     */
    public void setValue(Object value)
    {
        this.value = value;
    }

    /**
     * Show the name and value.
     *
     * @see java.lang.Object#toString()
     */
    public String toString()
    {
        StringBuffer sb = new StringBuffer();
        sb.append(name);
        sb.append(" : ");
        if (value != null)
        {
            sb.append(value);
        }
        else
        {
            sb.append("(not set)");
        }
        return sb.toString();
    }

    /**
     * Make a deep clone of the properties through Object serialization
     *
     * @see java.lang.Object#clone()
     */
    public Object clone() {
        Object obj = null;
        try
        {
            // Write the object out to a byte array
            ByteArrayOutputStream bos = new ByteArrayOutputStream();
            ObjectOutputStream out = new ObjectOutputStream(bos);
            out.writeObject(this);
            out.flush();
            out.close();

            // Make an input stream from the byte array and read
            // a copy of the object back in.
            ObjectInputStream in = new ObjectInputStream(
                    new ByteArrayInputStream(bos.toByteArray()));
            obj = in.readObject();
        } catch (ClassNotFoundException cnfe)
        {
            cnfe.printStackTrace();
        } catch (NotSerializableException nse)
        {
            nse.printStackTrace();
        } catch (IOException e)
        {
            e.printStackTrace();
        }
        return obj;
    }
}