com.cedarsoft.osgi.validator.ValidationFailedException Maven / Gradle / Ivy

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/**
 * Copyright (C) cedarsoft GmbH.
 *
 * Licensed under the GNU General Public License version 3 (the "License")
 * with Classpath Exception; you may not use this file except in compliance
 * with the License. You may obtain a copy of the License at
 *
 *         http://www.cedarsoft.org/gpl3ce
 *         (GPL 3 with Classpath Exception)
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 3 only, as
 * published by the Free Software Foundation. cedarsoft GmbH designates this
 * particular file as subject to the "Classpath" exception as provided
 * by cedarsoft GmbH in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 3 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 3 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact cedarsoft GmbH, 72810 Gomaringen, Germany,
 * or visit www.cedarsoft.com if you need additional information or
 * have any questions.
 */
package com.cedarsoft.osgi.validator;

import com.google.common.base.Joiner;

import javax.annotation.Nonnull;
import java.io.File;
import java.util.List;

/**
 * @author Johannes Schneider ([email protected])
 */
public class ValidationFailedException extends Exception{
  @Nonnull
  private final String relativePath;
  private final int failingIndex;

  public ValidationFailedException( @Nonnull String relativePath, @Nonnull List splitPath, int failingIndex, @Nonnull String message ) {
    super( createMessage( relativePath, splitPath, failingIndex, message ) );
    this.relativePath = relativePath;
    this.failingIndex = failingIndex;
  }

  @Nonnull
  private static String createMessage( @Nonnull String relativePath, @Nonnull List splitPath, int failingIndex, @Nonnull String message ) {
    StringBuilder builder = new StringBuilder();
    builder.append( "Invalid path <" ).append( relativePath ).append( ">" );

    if ( failingIndex > 0 ) {
      String failingPart = Joiner.on( File.separator ).join( splitPath.subList( 0, failingIndex + 1 ) );
      builder.append( ". Failed at <" ).append( failingPart ).append( ">" );
    }

    builder.append( ": " );
    builder.append( message );

    return builder.toString();
  }

  public int getFailingIndex() {
    return failingIndex;
  }

  @Nonnull
  public String getRelativePath() {
    return relativePath;
  }
}