TypeParserImpl.java

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/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.    
 */
package org.apache.xmlrpc.parser;

import org.apache.xmlrpc.XmlRpcException;
import org.xml.sax.Locator;
import org.xml.sax.SAXException;
import org.xml.sax.SAXParseException;


public abstract class TypeParserImpl implements TypeParser {
        private Object result;
        private Locator locator;

        public void setResult(Object pResult) { result = pResult; }
        public Object getResult() throws XmlRpcException { return result; }

        public Locator getDocumentLocator() { return locator; }
        public void setDocumentLocator(Locator pLocator) { locator = pLocator; }

        public void processingInstruction(String pTarget, String pData) throws SAXException {
        }

        public void skippedEntity(String pName) throws SAXException {
                throw new SAXParseException("Don't know how to handle entity " + pName,
                                                                        getDocumentLocator());
        }

        public void startPrefixMapping(String pPrefix, String pURI) throws SAXException {
        }

        public void endPrefixMapping(String pPrefix) throws SAXException {
        }

        public void endDocument() throws SAXException {
        }

        public void startDocument() throws SAXException {
        }

        protected static boolean isEmpty(char[] pChars, int pStart, int pLength) {
                for (int i = 0;  i < pLength;  i++) {
                        if (!Character.isWhitespace(pChars[pStart+i])) {
                                return false;
                        }
                }
                return true;
        }

        public void characters(char[] pChars, int pOffset, int pLength) throws SAXException {
                if (!isEmpty(pChars, pOffset, pLength)) {
                        throw new SAXParseException("Unexpected non-whitespace character data",
                                                                                getDocumentLocator());
                }
        }

        public void ignorableWhitespace(char[] pChars, int pOffset, int pLength) throws SAXException {
        }
}