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The Adobe Experience Manager SDK
/***************************************************************************/
/* */
/* ADOBE CONFIDENTIAL */
/* _ _ _ _ _ _ _ _ _ _ */
/* */
/* Copyright 2001-2002, Adobe Systems Incorporated */
/* All Rights Reserved. */
/* */
/* NOTICE: All information contained herein is, and remains the property */
/* of Adobe Systems Incorporated and its suppliers, if any. The */
/* intellectual and technical concepts contained herein are proprietary */
/* to Adobe Systems Incorporated and its suppliers and may be covered by */
/* U.S. and Foreign Patents, patents in process, and are protected by */
/* trade secret or copyright law. Dissemination of this information or */
/* reproduction of this material is strictly forbidden unless prior */
/* written permission is obtained from Adobe Systems Incorporated. */
/* */
/***************************************************************************/
package com.adobe.versioncue.nativecomm.msg;
import java.nio.ByteBuffer;
import java.util.ArrayList;
import java.util.Date;
import java.util.Iterator;
/**
* List of NCType objects.
*
* Note that this class is **NOT** Thread-safe in its current form.
*
* @author Timo Naroska
* @version $Revision: #1 $
*/
public final class NCList extends NCType implements Iterable
{
// --------------------------------------------------------------------------- Private Variables
/** underlying list object */
private final ArrayList list;
// -------------------------------------------------------------------------- Public Constructor
/** Constructs a new NCList object. */
public NCList()
{
this(10);
}
/** Constructs a new NCList object.
* @param initialCapacity - initial capacity of the created Array object
*/
public NCList(int initialCapacity)
{
list = new ArrayList(initialCapacity);
}
// ------------------------------------------------------------------------------ Public Methods
/**
* Returns the size of this NCList object.
*
* @return the size of this NCList object
*/
public int size()
{
return list.size();
}
/**
* Returns true if this NCList object contains no items.
*
* @return true if this NCList object contains no items
*/
public boolean isEmtpy()
{
return list.isEmpty();
}
/**
* Returns the NCType located at the specified index inside
* this NCList.
*
* @param index the index of the NCType to return
* @return the NCType located at the specified index inside
* this NCList
*/
public NCType get(int index)
{
return list.get(index);
}
/**
* Returns the elements of this NCList instance as NCType[].
*
* @return elements of this NCList instance as NCType[].
*/
public NCType[] get()
{
return list.toArray(new NCType[list.size()]);
}
/**
* Returns true if this Array contains the specified NCType.
*
* @param val - NCType to look for
* @return true if this Array contains the specified NCType
*/
public boolean contains(NCType val)
{
return list.contains(val);
}
/**
* Appends the specified NCType to the end of this NCList.
*
* @param value - NCType to be added
* @return the NCList
*/
public NCList add(NCType value)
{
// == PRE-CONDITION ========================================================================
if (value == null)
throw new NullPointerException("value can't be null");
// == PRE-CONDITION ========================================================================
list.add(value);
return this;
}
/**
* Appends a value to the NCList.
*
* @param value the value
* @return the NCList
*/
public NCList add(INCExternalizable value)
{
return add(value.externalize());
}
/**
* Appends a value to the NCList.
*
* @param value the value
* @return the NCList
*/
public NCList add(String value)
{
return add(new NCString(value));
}
/**
* Appends a value to the NCList.
*
* @param value the value
* @return the NCList
*/
public NCList add(boolean value)
{
return add(value ? NCBool.TRUE : NCBool.FALSE);
}
/**
* Appends a value to the NCList.
*
* @param value the value
* @return the NCList
*/
public NCList add(int value)
{
return add(new NCInt(value));
}
/**
* Appends a value to the NCList.
*
* @param value the value
* @return the NCList
*/
public NCList add(long value)
{
return add(new NCLong(value));
}
/**
* Appends a value to the NCList.
*
* @param value the value
* @return the NCList
*/
public NCList add(double value)
{
return add(new NCDouble(value));
}
/**
* Appends a value to the NCList.
*
* @param value the value
* @return the NCList
*/
public NCList add(Date value)
{
return add(new NCDate(value));
}
/** Appends a value to the NCList.
* @param value the value
* @return the NCList
*/
public NCList add(byte[] value)
{
return add(new NCData(value));
}
/**
* Appends a value to the NCList.
*
* @param value the value
* @return the NCList
*/
public NCList add(ByteBuffer value)
{
return add(new NCData(value));
}
/**
* Returns the String value at the specified index.
*
* @param index the index
* @return String value
* @throws BadMessageException if the requested value is of a bad type
*/
public String getString(int index) throws BadMessageException
{
return ((NCString) checkedGet(index, NCString.class)).string();
}
/**
* Returns the boolean value at the specified index.
*
* @param index the index
* @return boolean value
* @throws BadMessageException if the requested value is of a bad type
*/
public boolean getBool(int index) throws BadMessageException
{
return ((NCBool) checkedGet(index, NCBool.class)).booleanValue();
}
/**
* Returns the double value at the specified index.
*
* @param index the index
* @return double value
* @throws BadMessageException if the requested value is of a bad type
*/
public double getDouble(int index) throws BadMessageException
{
return ((NCNumber) checkedGet(index, NCNumber.class)).doubleValue();
}
/**
* Returns the int value at the specified index.
*
* @param index the index
* @return int value
* @throws BadMessageException if the requested value is of a bad type
*/
public int getInt(int index) throws BadMessageException
{
return ((NCNumber) checkedGet(index, NCNumber.class)).intValue();
}
/**
* Returns the long value at the specified index.
*
* @param index the index
* @return long value
* @throws BadMessageException if the requested value is of a bad type
*/
public long getLong(int index) throws BadMessageException
{
return ((NCNumber) checkedGet(index, NCNumber.class)).longValue();
}
/** Returns the date value at the specified index.
* @param index the index
* @return date value
* @throws BadMessageException if the requested value is of a bad type
*/
public Date getDate(int index) throws BadMessageException
{
return ((NCDate) checkedGet(index, NCDate.class)).date();
}
/** Returns the byte[] value at the specified index.
* @param index the index
* @return byte[] value
* @throws BadMessageException if the requested value is of a bad type
*/
public byte[] getByteArray(int index) throws BadMessageException
{
return ((NCData) checkedGet(index, NCData.class)).byteArray();
}
/**
* Returns the ByteBuffer value at the specified index.
*
* @param index the index
* @return ByteBuffer value
* @throws BadMessageException if the requested value is of a bad type
*/
public ByteBuffer getBytes(int index) throws BadMessageException
{
return ((NCData) checkedGet(index, NCData.class)).bytes();
}
/**
* Returns the NCList value at the specified index.
*
* @param index the index
* @return NCList value
* @throws BadMessageException if the requested value is of a bad type
*/
public NCList getList(int index) throws BadMessageException
{
return (NCList) checkedGet(index, NCList.class);
}
/**
* Returns the NCMap value at the specified index.
*
* @param index the index
* @return NCMap value
* @throws BadMessageException if the requested value is of a bad type
*/
public NCMap getMap(int index) throws BadMessageException
{
return (NCMap) checkedGet(index, NCMap.class);
}
/**
* Replaces the NCType object at the specified index inside the
* NCList.
*
* @param index of element to replace.
* @param value - NCType to be stored at the specified position.
* @return the NCList
*/
public NCList set(NCType value, int index)
{
// == PRE-CONDITION ========================================================================
if (value == null)
throw new NullPointerException("value can't be null");
// == PRE-CONDITION ========================================================================
list.set(index, value);
return this;
}
/**
* Removes all Values from this NCList.
*
* @return the NCList
*/
public NCList clear()
{
list.clear();
return this;
}
/**
* Removes the NCType at the specified position in this NCList and returns
* it. Shifts any subsequent values to the left (subtracts one from their
* indices).
*
* @param index the index of the element to removed
* @return the removed NCType object
*/
public NCType remove(int index)
{
return list.remove(index);
}
/** @see java.lang.Iterable#iterator() */
public Iterator iterator()
{
return list.iterator();
}
// ---------------------------------------------------------------------------- NCType Overrides
@Override
public int getType()
{
return TYPE_LIST;
}
// ------------------------------------------------------------------ java.lang.Object Overrides
@Override
public int hashCode()
{
return list.hashCode();
}
@Override
public boolean equals(Object other)
{
if (other != null && other instanceof NCList)
{
NCList otherArray = (NCList) other;
return list.equals(otherArray.list);
}
return false;
}
@Override
public String toString()
{
final String nl = System.getProperty("line.separator");
final StringBuilder buf = new StringBuilder(64);
buf.append(this.getClass().getSimpleName()).append(nl).append('{').append(nl);
for (Iterator it = list.iterator(); it.hasNext();)
{
buf.append(" ");
buf.append(it.next().toString());
buf.append(nl);
}
buf.append('}');
return buf.toString();
}
// ----------------------------------------------------------------------------- Private Methods
/**
* Checks the type of and returns the value at index.
*
* @param index
* the index
* @param expectedType
* expected value type
* @return checked value
* @throws BadMessageException
* if a value is of a bad type
*/
private NCType checkedGet(int index, Class expectedType) throws BadMessageException
{
NCType value = get(index);
if (!expectedType.isInstance(value))
{
throw new BadMessageException("Expected <" + expectedType + "> at [" + index +
"]. Actual value: " + value);
}
return value;
}
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