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//Copyright (c) 2006, Adobe Systems Incorporated
//All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
// 1. Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// 2. Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
// 3. All advertising materials mentioning features or use of this software
// must display the following acknowledgement:
// This product includes software developed by the Adobe Systems Incorporated.
// 4. Neither the name of the Adobe Systems Incorporated nor the
// names of its contributors may be used to endorse or promote products
// derived from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY ADOBE SYSTEMS INCORPORATED ''AS IS'' AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL ADOBE SYSTEMS INCORPORATED BE LIABLE FOR ANY
// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
// ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// http://www.adobe.com/devnet/xmp/library/eula-xmp-library-java.html
package com.itextpdf.kernel.xmp.impl;
import com.itextpdf.kernel.xmp.XMPConst;
import com.itextpdf.kernel.xmp.XMPError;
import com.itextpdf.kernel.xmp.XMPException;
import com.itextpdf.kernel.xmp.XMPMeta;
/**
* @since 11.08.2006
*/
class ParameterAsserts implements XMPConst
{
/**
* private constructor
*/
private ParameterAsserts()
{
// EMPTY
}
/**
* Asserts that an array name is set.
* @param arrayName an array name
* @throws XMPException Array name is null or empty
*/
public static void assertArrayName(String arrayName) throws XMPException
{
if (arrayName == null || arrayName.length() == 0)
{
throw new XMPException("Empty array name", XMPError.BADPARAM);
}
}
/**
* Asserts that a property name is set.
* @param propName a property name or path
* @throws XMPException Property name is null or empty
*/
public static void assertPropName(String propName) throws XMPException
{
if (propName == null || propName.length() == 0)
{
throw new XMPException("Empty property name", XMPError.BADPARAM);
}
}
/**
* Asserts that a schema namespace is set.
* @param schemaNS a schema namespace
* @throws XMPException Schema is null or empty
*/
public static void assertSchemaNS(String schemaNS) throws XMPException
{
if (schemaNS == null || schemaNS.length() == 0)
{
throw new XMPException("Empty schema namespace URI", XMPError.BADPARAM);
}
}
/**
* Asserts that a prefix is set.
* @param prefix a prefix
* @throws XMPException Prefix is null or empty
*/
public static void assertPrefix(String prefix) throws XMPException
{
if (prefix == null || prefix.length() == 0)
{
throw new XMPException("Empty prefix", XMPError.BADPARAM);
}
}
/**
* Asserts that a specific language is set.
* @param specificLang a specific lang
* @throws XMPException Specific language is null or empty
*/
public static void assertSpecificLang(String specificLang) throws XMPException
{
if (specificLang == null || specificLang.length() == 0)
{
throw new XMPException("Empty specific language", XMPError.BADPARAM);
}
}
/**
* Asserts that a struct name is set.
* @param structName a struct name
* @throws XMPException Struct name is null or empty
*/
public static void assertStructName(String structName) throws XMPException
{
if (structName == null || structName.length() == 0)
{
throw new XMPException("Empty array name", XMPError.BADPARAM);
}
}
/**
* Asserts that any string parameter is set.
* @param param any string parameter
* @throws XMPException Thrown if the parameter is null or has length 0.
*/
public static void assertNotNull(Object param) throws XMPException
{
if (param == null)
{
throw new XMPException("Parameter must not be null", XMPError.BADPARAM);
}
else if ((param instanceof String) && ((String) param).length() == 0)
{
throw new XMPException("Parameter must not be null or empty", XMPError.BADPARAM);
}
}
/**
* Asserts that the xmp object is of this implemention
* ({@link XMPMetaImpl}).
* @param xmp the XMP object
* @throws XMPException A wrong implentaion is used.
*/
public static void assertImplementation(XMPMeta xmp) throws XMPException
{
if (xmp == null)
{
throw new XMPException("Parameter must not be null",
XMPError.BADPARAM);
}
else if (!(xmp instanceof XMPMetaImpl))
{
throw new XMPException("The XMPMeta-object is not compatible with this implementation",
XMPError.BADPARAM);
}
}
}
