Java XML SAX Parser isWellFormedXml(final String string)

Description

is Well Formed Xml

License

Apache License

Declaration

public static final boolean isWellFormedXml(final String string) throws Exception 

Method Source Code

//package com.java2s;
/*/*from w w w. java2s. c  o m*/
 * 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.                                           *
 */

import org.xml.sax.InputSource;
import org.xml.sax.SAXException;
import org.xml.sax.XMLReader;

import javax.xml.parsers.ParserConfigurationException;
import javax.xml.parsers.SAXParserFactory;
import java.io.IOException;
import java.io.InputStream;
import java.io.StringReader;
import java.lang.reflect.UndeclaredThrowableException;

public class Main {
    public static final boolean isWellFormedXml(final String string) throws Exception {
        return isWellFormedXml(new InputSource(new StringReader(string)));
    }

    public static final boolean isWellFormedXml(final InputSource isource) {
        try {
            newXMLReader().parse(isource);
            return true;
        } catch (SAXException e) {
            System.out.println(e);
            e.printStackTrace();
            return false;
        } catch (IOException e) {
            throw new UndeclaredThrowableException(e);
        } catch (ParserConfigurationException e) {
            throw new UndeclaredThrowableException(e);
        }
    }

    public static final boolean isWellFormedXml(final InputStream in) throws Exception {
        return isWellFormedXml(new InputSource(in));
    }

    public static final XMLReader newXMLReader() throws SAXException, ParserConfigurationException {
        final SAXParserFactory spf = SAXParserFactory.newInstance();
        spf.setValidating(false);
        spf.setNamespaceAware(true);
        return spf.newSAXParser().getXMLReader();
    }
}

Related

1. getSchema(File xsd, ErrorHandler errorHandler)
2. getSchema(URL xml_schema)
3. getSchemaFromResource(URL schemaURL)
4. getXIncludeXMLReader()
5. getXmlReader()
6. isXML(final byte[] data)
7. load(InputStream is, DefaultHandler handler)
8. newInstance()
9. newXMLReader()