org.apache.xmlbeans.impl.common.XmlStreamUtils Maven / Gradle / Ivy

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The Apache Commons Codec package contains simple encoder and decoders for various formats such as Base64 and Hexadecimal. In addition to these widely used encoders and decoders, the codec package also maintains a collection of phonetic encoding utilities.
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/*   Copyright 2004 The Apache Software Foundation
 *
 *   Licensed 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.xmlbeans.impl.common;

import javax.xml.stream.XMLStreamReader;

/**
 * debugging utilities for XmlStreamReader
 */
public final class XmlStreamUtils
{
  public static String printEvent(XMLStreamReader xmlr)
  {
    StringBuilder b = new StringBuilder();
    b.append("EVENT:[" + xmlr.getLocation().getLineNumber() + "][" +
             xmlr.getLocation().getColumnNumber() + "] ");
    b.append(getName(xmlr.getEventType()));
    b.append(" [");
    switch (xmlr.getEventType()) {
      case XMLStreamReader.START_ELEMENT:
        b.append("<");
        printName(xmlr, b);
        for (int i = 0; i < xmlr.getNamespaceCount(); i++) {
          b.append(" ");
          String n = xmlr.getNamespacePrefix(i);
          if ("xmlns".equals(n)) {
            b.append("xmlns=\"" + xmlr.getNamespaceURI(i) + "\"");
          } else {
            b.append("xmlns:" + n);
            b.append("=\"");
            b.append(xmlr.getNamespaceURI(i));
            b.append("\"");
          }
        }

        for (int i = 0; i < xmlr.getAttributeCount(); i++) {
          b.append(" ");
          printName(xmlr.getAttributePrefix(i),
                    xmlr.getAttributeNamespace(i),
                    xmlr.getAttributeLocalName(i),
                    b);
          b.append("=\"");
          b.append(xmlr.getAttributeValue(i));
          b.append("\"");
        }

        b.append(">");
        break;
      case XMLStreamReader.END_ELEMENT:
        b.append("");
        break;
      case XMLStreamReader.SPACE:
      case XMLStreamReader.CHARACTERS:
        //b.append(xmlr.getText());
        int start = xmlr.getTextStart();
        int length = xmlr.getTextLength();
        b.append(new String(xmlr.getTextCharacters(),
                            start,
                            length));
        break;
      case XMLStreamReader.PROCESSING_INSTRUCTION:
        String target = xmlr.getPITarget();
        if (target == null) target = "";
        String data = xmlr.getPIData();
        if (data == null) data = "";
        b.append("");
        break;
      case XMLStreamReader.CDATA:
        b.append("");
        break;

      case XMLStreamReader.COMMENT:
        b.append("");
        break;
      case XMLStreamReader.ENTITY_REFERENCE:
        b.append(xmlr.getLocalName() + "=");
        if (xmlr.hasText())
          b.append("[" + xmlr.getText() + "]");
        break;
      case XMLStreamReader.START_DOCUMENT:
        b.append("");
        break;

    }
    b.append("]");
    return b.toString();
  }


  private static void printName(String prefix,
                                String uri,
                                String localName,
                                StringBuilder b)
  {
    if (uri != null && !("".equals(uri))) b.append("['" + uri + "']:");
    if (prefix != null && !("".equals(prefix))) b.append(prefix + ":");
    if (localName != null) b.append(localName);
  }

  private static void printName(XMLStreamReader xmlr, StringBuilder b)
  {
    if (xmlr.hasName()) {
      String prefix = xmlr.getPrefix();
      String uri = xmlr.getNamespaceURI();
      String localName = xmlr.getLocalName();
      printName(prefix, uri, localName, b);
    }
  }

  public static String getName(int eventType)
  {
    switch (eventType) {
      case XMLStreamReader.START_ELEMENT:
        return "START_ELEMENT";
      case XMLStreamReader.END_ELEMENT:
        return "END_ELEMENT";
      case XMLStreamReader.PROCESSING_INSTRUCTION:
        return "PROCESSING_INSTRUCTION";
      case XMLStreamReader.CHARACTERS:
        return "CHARACTERS";
      case XMLStreamReader.SPACE:
        return "SPACE";
      case XMLStreamReader.COMMENT:
        return "COMMENT";
      case XMLStreamReader.START_DOCUMENT:
        return "START_DOCUMENT";
      case XMLStreamReader.END_DOCUMENT:
        return "END_DOCUMENT";
      case XMLStreamReader.ENTITY_REFERENCE:
        return "ENTITY_REFERENCE";
      case XMLStreamReader.ATTRIBUTE:
        return "ATTRIBUTE";
      case XMLStreamReader.DTD:
        return "DTD";
      case XMLStreamReader.CDATA:
        return "CDATA";
      case XMLStreamReader.NAMESPACE:
        return "NAMESPACE";
    }
    return "UNKNOWN_EVENT_TYPE";
  }

  public static int getType(String val)
  {
    if (val.equals("START_ELEMENT"))
      return XMLStreamReader.START_ELEMENT;
    if (val.equals("SPACE"))
      return XMLStreamReader.SPACE;
    if (val.equals("END_ELEMENT"))
      return XMLStreamReader.END_ELEMENT;
    if (val.equals("PROCESSING_INSTRUCTION"))
      return XMLStreamReader.PROCESSING_INSTRUCTION;
    if (val.equals("CHARACTERS"))
      return XMLStreamReader.CHARACTERS;
    if (val.equals("COMMENT"))
      return XMLStreamReader.COMMENT;
    if (val.equals("START_DOCUMENT"))
      return XMLStreamReader.START_DOCUMENT;
    if (val.equals("END_DOCUMENT"))
      return XMLStreamReader.END_DOCUMENT;
    if (val.equals("ATTRIBUTE"))
      return XMLStreamReader.ATTRIBUTE;
    if (val.equals("DTD"))
      return XMLStreamReader.DTD;
    if (val.equals("CDATA"))
      return XMLStreamReader.CDATA;
    if (val.equals("NAMESPACE"))
      return XMLStreamReader.NAMESPACE;
    return -1;
  }


}