/*
 * #%L
 * BSD implementations of Bio-Formats readers and writers
 * %%
 * Copyright (C) 2005 - 2015 Open Microscopy Environment:
 *   - Board of Regents of the University of Wisconsin-Madison
 *   - Glencoe Software, Inc.
 *   - University of Dundee
 * %%
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * 
 * 1. Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 * #L%
 */

package loci.formats.tools;

import java.io.BufferedReader;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.StringReader;

import loci.common.Constants;
import loci.common.xml.XMLTools;
import loci.formats.UpgradeChecker;
import loci.formats.tiff.TiffParser;

/**
 * Attempts to validate the given XML files.
 */
public class XMLValidate {

  public static void process(String label, BufferedReader in)
    throws IOException
  {
    StringBuffer sb = new StringBuffer();
    while (true) {
      String line = in.readLine();
      if (line == null) break;
      sb.append(line);
    }
    in.close();
    XMLTools.validateXML(sb.toString(), label);
  }

  public static void main(String[] args) throws Exception {
    UpgradeChecker checker = new UpgradeChecker();
    boolean canUpgrade =
      checker.newVersionAvailable(UpgradeChecker.DEFAULT_CALLER);
    if (canUpgrade) {
      System.out.println("*** A new stable version is available. ***");
      System.out.println("*** Install the new version using:     ***");
      System.out.println("***   'upgradechecker -install'        ***");
    }

    if (args.length == 0) {
      // read from stdin
      process("<stdin>", new BufferedReader(
        new InputStreamReader(System.in, Constants.ENCODING)));
    }
    else {
      // read from file(s)
      for (int i=0; i<args.length; i++) {
        if (args[i].toLowerCase().endsWith("tif") ||
          args[i].toLowerCase().endsWith("tiff"))
        {
          String comment = new TiffParser(args[i]).getComment();
          process(args[i], new BufferedReader(new StringReader(comment)));
        }
        else {
          process(args[i], new BufferedReader(new InputStreamReader(
            new FileInputStream(args[i]), Constants.ENCODING)));
        }
      }
    }
  }

}