io.brackit.query.function.fn.DefaultCollation Maven / Gradle / Ivy

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/*
 * [New BSD License]
 * Copyright (c) 2011-2012, Brackit Project Team 
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
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 *       notice, this list of conditions and the following disclaimer.
 *     * 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.
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 *       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 THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
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package io.brackit.query.function.fn;

import io.brackit.query.atomic.QNm;
import io.brackit.query.atomic.Str;
import io.brackit.query.jdm.Sequence;
import io.brackit.query.jdm.Signature;
import io.brackit.query.module.StaticContext;
import io.brackit.query.QueryContext;
import io.brackit.query.QueryException;
import io.brackit.query.function.AbstractFunction;

/**
 * Implementation of predefined function fn:default-collation() as per
 * http://www.w3.org/TR/xpath-functions/#func-default-collation
 *
 * @author Max Bechtold
 */
public class DefaultCollation extends AbstractFunction {
  public DefaultCollation(QNm name, Signature signature) {
    super(name, signature, true);
  }

  @Override
  public Sequence execute(StaticContext sctx, QueryContext ctx, Sequence[] args) throws QueryException {
    return new Str("http://www.w3.org/2005/xpath-functions/collation/codepoint");
  }

}