1 /**

     2  * Copyright (c) 2001, Thai Open Source Software Center Ltd

     3  * All rights reserved.

     4  *

     5  * Redistribution and use in source and binary forms, with or without

     6  * modification, are permitted provided that the following conditions are

     7  * met:

     8  *

     9  *     Redistributions of source code must retain the above copyright

    10  *     notice, this list of conditions and the following disclaimer.

    11  *

    12  *     Redistributions in binary form must reproduce the above copyright

    13  *     notice, this list of conditions and the following disclaimer in

    14  *     the documentation and/or other materials provided with the

    15  *     distribution.

    16  *

    17  *     Neither the name of the Thai Open Source Software Center Ltd nor

    18  *     the names of its contributors may be used to endorse or promote

    19  *     products derived from this software without specific prior written

    20  *     permission.

    21  *

    22  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS

    23  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT

    24  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR

    25  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR

    26  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,

    27  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,

    28  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR

    29  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF

    30  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING

    31  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS

    32  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

    33  */

    34 package org.relaxng.datatype.helpers;

    35 

    36 import org.relaxng.datatype.*;

    37 

    38 /**

    39  * Dummy implementation of {@link DatatypeBuilder}.

    40  *

    41  * This implementation can be used for Datatypes which have no parameters.

    42  * Any attempt to add parameters will be rejected.

    43  *

    44  * <p>

    45  * Typical usage would be:

    46  * <PRE>{@code

    47  * class MyDatatypeLibrary implements DatatypeLibrary {

    48  *     ....

    49  *     DatatypeBuilder createDatatypeBuilder( String typeName ) {

    50  *         return new ParameterleessDatatypeBuilder(createDatatype(typeName));

    51  *     }

    52  *     ....

    53  * }

    54  * }</PRE>

    55  *

    56  * @author <a href="mailto:kohsuke.kawaguchi@sun.com">Kohsuke KAWAGUCHI</a>

    57  */

    58 public final class ParameterlessDatatypeBuilder implements DatatypeBuilder {

    59 

    60         /** This type object is returned for the derive method. */

    61         private final Datatype baseType;

    62 

    63         public ParameterlessDatatypeBuilder( Datatype baseType ) {

    64                 this.baseType = baseType;

    65         }

    66 

    67         public void addParameter( String name, String strValue, ValidationContext context )

    68                         throws DatatypeException {

    69                 throw new DatatypeException();

    70         }

    71 

    72         public Datatype createDatatype() throws DatatypeException {

    73                 return baseType;

    74         }

    75 }