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// xparse.java - A simple command-line XML parser

/*
 * 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.xml.resolver.apps;

import java.io.FileNotFoundException;
import java.io.IOException;
import java.util.Vector;
import java.util.Date;

import org.xml.sax.*;
import org.xml.sax.helpers.*;

import javax.xml.parsers.*;

import org.apache.xml.resolver.tools.ResolvingParser;
import org.apache.xml.resolver.Catalog;
import org.apache.xml.resolver.CatalogManager;
import org.apache.xml.resolver.helpers.Debug;

/**
 * A simple command-line XML parsing application.
 *
 * This class implements a simple command-line XML Parser. It's
 * just a little wrapper around the JAXP Parser with support for
 * catalogs.
 * 
 *
 * Usage: xparse [options] document.xml
 *
 * Where:
 *
 * 
 * -c catalogfile
 * Load a particular catalog file.
 * -w
 * Perform a well-formed parse, not a validating parse.
 * -v (the default)
 * Perform a validating parse.
 * -n
 * Perform a namespace-ignorant parse.
 * -N (the default)
 * Perform a namespace-aware parse.
 * -d integer
 * Set the debug level. Warnings are shown if the debug level
 * is > 2.
 * -E integer
 * Set the maximum number of errors to display.
 * 
 *
 * The process ends with error-level 1, if there errors.
 *
 * @deprecated This interface has been replaced by the
 *             {@link org.apache.xml.resolver.tools.ResolvingXMLReader} for SAX2.
 *
 * @see org.apache.xml.resolver.tools.ResolvingParser
 *
 * @author Norman Walsh
 * [email protected]
 *
 * @version 1.0
 */
public class xparse {
  private static Debug debug = CatalogManager.getStaticManager().debug;

  /** The main entry point */
  public static void main (String[] args)
    throws FileNotFoundException, IOException {

    String  xmlfile    = null;
    int     debuglevel = 0;
    int     maxErrs    = 10;
    boolean nsAware    = true;
    boolean validating = true;
    boolean showWarnings = (debuglevel > 2);
    boolean showErrors = true;
    Vector catalogFiles = new Vector();

    for (int i=0; i= 0) {
	    debug.setDebug(debuglevel);
	    showWarnings = (debuglevel > 2);
	  }
	} catch (Exception e) {
	  // nop
	}
	continue;
      }

      if (args[i].equals("-E")) {
	++i;
	String errstr = args[i];
	try {
	  int errs = Integer.parseInt(errstr);
	  if (errs >= 0) {
	    maxErrs = errs;
	  }
	} catch (Exception e) {
	  // nop
	}
	continue;
      }

      xmlfile = args[i];
    }

    if (xmlfile == null) {
      System.out.println("Usage: org.apache.xml.resolver.apps.xparse [opts] xmlfile");
      System.exit(1);
    }

    ResolvingParser.validating = validating;
    ResolvingParser.namespaceAware = nsAware;
    ResolvingParser reader = new ResolvingParser();
    Catalog catalog = reader.getCatalog();

    for (int count = 0; count < catalogFiles.size(); count++) {
      String file = (String) catalogFiles.elementAt(count);
      catalog.parseCatalog(file);
    }

    XParseError xpe = new XParseError(showErrors, showWarnings);
    xpe.setMaxMessages(maxErrs);
    reader.setErrorHandler(xpe);

    String parseType = validating ? "validating" : "well-formed";
    String nsType = nsAware ? "namespace-aware" : "namespace-ignorant";
    if (maxErrs > 0) {
      System.out.println("Attempting "
			 + parseType
			 + ", "
			 + nsType
			 + " parse");
    }

    Date startTime = new Date();

    try {
      reader.parse(xmlfile);
    } catch (SAXException sx) {
      System.out.println("SAX Exception: " + sx);
    } catch (Exception e) {
      e.printStackTrace();
    }

    Date endTime = new Date();

    long millisec = endTime.getTime() - startTime.getTime();
    long secs = 0;
    long mins = 0;
    long hours = 0;

    if (millisec > 1000) {
      secs = millisec / 1000;
      millisec = millisec % 1000;
    }

    if (secs > 60) {
      mins = secs / 60;
      secs = secs % 60;
    }

    if (mins > 60) {
      hours = mins / 60;
      mins = mins % 60;
    }

    if (maxErrs > 0) {
      System.out.print("Parse ");
      if (xpe.getFatalCount() > 0) {
	System.out.print("failed ");
      } else {
	System.out.print("succeeded ");
	System.out.print("(");
	if (hours > 0) {
	  System.out.print(hours + ":");
	}
	if (hours > 0 || mins > 0) {
	  System.out.print(mins + ":");
	}
	System.out.print(secs + "." + millisec);
	System.out.print(") ");
      }
      System.out.print("with ");

      int errCount = xpe.getErrorCount();
      int warnCount = xpe.getWarningCount();

      if (errCount > 0) {
	System.out.print(errCount + " error");
	System.out.print(errCount > 1 ? "s" : "");
	System.out.print(" and ");
      } else {
	System.out.print("no errors and ");
      }

      if (warnCount > 0) {
	System.out.print(warnCount + " warning");
	System.out.print(warnCount > 1 ? "s" : "");
	System.out.print(".");
      } else {
	System.out.print("no warnings.");
      }

      System.out.println("");
    }

    if (xpe.getErrorCount() > 0) {
      System.exit(1);
    }
  }
}