org.axdt.asdoc.parser.html.MutableNamespaceContext.java Source code

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Here is the source code for org.axdt.asdoc.parser.html.MutableNamespaceContext.java

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/*******************************************************************************
 * Copyright (c) 2010 Martin Schnabel <mb0@mb0.org>.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 ******************************************************************************/
package org.axdt.asdoc.parser.html;

import java.util.Iterator;
import java.util.List;
import java.util.Map;

import javax.xml.namespace.NamespaceContext;

import com.google.common.collect.Lists;
import com.google.common.collect.Maps;

class MutableNamespaceContext implements NamespaceContext {

    private Map<String, String> map;

    public MutableNamespaceContext() {
        map = Maps.newHashMap();
    }

    public void setNamespace(String prefix, String namespaceURI) {
        map.put(prefix, namespaceURI);
    }

    public String getNamespaceURI(String prefix) {
        return map.get(prefix);
    }

    public String getPrefix(String namespaceURI) {
        for (String prefix : map.keySet()) {
            if (map.get(prefix).equals(namespaceURI)) {
                return prefix;
            }
        }
        return null;
    }

    public Iterator<String> getPrefixes(String namespaceURI) {
        List<String> prefixes = Lists.newArrayList();
        for (String prefix : map.keySet()) {
            if (map.get(prefix).equals(namespaceURI)) {
                prefixes.add(prefix);
            }
        }
        return prefixes.iterator();
    }
}