001    /* JobImpressions.java --
002       Copyright (C) 2003, 2005 Free Software Foundation, Inc.
003    
004    This file is part of GNU Classpath.
005    
006    GNU Classpath is free software; you can redistribute it and/or modify
007    it under the terms of the GNU General Public License as published by
008    the Free Software Foundation; either version 2, or (at your option)
009    any later version.
010    
011    GNU Classpath is distributed in the hope that it will be useful, but
012    WITHOUT ANY WARRANTY; without even the implied warranty of
013    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
014    General Public License for more details.
015    
016    You should have received a copy of the GNU General Public License
017    along with GNU Classpath; see the file COPYING.  If not, write to the
018    Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
019    02110-1301 USA.
020    
021    Linking this library statically or dynamically with other modules is
022    making a combined work based on this library.  Thus, the terms and
023    conditions of the GNU General Public License cover the whole
024    combination.
025    
026    As a special exception, the copyright holders of this library give you
027    permission to link this library with independent modules to produce an
028    executable, regardless of the license terms of these independent
029    modules, and to copy and distribute the resulting executable under
030    terms of your choice, provided that you also meet, for each linked
031    independent module, the terms and conditions of the license of that
032    module.  An independent module is a module which is not derived from
033    or based on this library.  If you modify this library, you may extend
034    this exception to your version of the library, but you are not
035    obligated to do so.  If you do not wish to do so, delete this
036    exception statement from your version. */
037    
038    package javax.print.attribute.standard;
039    
040    import javax.print.attribute.Attribute;
041    import javax.print.attribute.IntegerSyntax;
042    import javax.print.attribute.PrintJobAttribute;
043    import javax.print.attribute.PrintRequestAttribute;
044    
045    /**
046     * The <code>JobImpressions</code> printing attribute specifies
047     * the total size in number of impressions of the documents
048     * of a a print job.
049     * <p>
050     * An impression is specified by the IPP specification as the image
051     * (possibly many print-stream pages in different configurations)
052     * imposed onto a single media sheet. This attribute must not include
053     * a multiplication factor from the number of copies which maybe specified
054     * in a Copies attribute.
055     * </p>
056     * <p>
057     * This attribute belongs to a group of job size attributes which are
058     * describing the size of a job to be printed. The values supplied by
059     * these attributes are intended to be used for routing and scheduling
060     * of jobs on the print service. A client may specify these attributes.
061     * If a clients supplies these attributes a print service may change
062     * the values if its be able to compute a more accurate value at the
063     * time of the job submission or also later.
064     * </p>
065     * <p>
066     * <b>IPP Compatibility:</b> JobImpressions is an IPP 1.1 attribute.
067     * </p>
068     * @see javax.print.attribute.standard.JobKOctets
069     * @see javax.print.attribute.standard.JobMediaSheets
070     *
071     * @author Michael Koch
072     */
073    public final class JobImpressions extends IntegerSyntax
074      implements PrintJobAttribute, PrintRequestAttribute
075    {
076      private static final long serialVersionUID = 8225537206784322464L;
077    
078      /**
079       * Creates a <code>JobImpressions</code> object.
080       *
081       * @param value the number of impressions
082       *
083       * @exception IllegalArgumentException if value &lt; 0
084       */
085      public JobImpressions(int value)
086      {
087        super(value);
088    
089        if (value < 0)
090          throw new IllegalArgumentException("value may not be less than 0");
091      }
092    
093      /**
094       * Tests if the given object is equal to this object.
095       *
096       * @param obj the object to test
097       *
098       * @return <code>true</code> if both objects are equal,
099       * <code>false</code> otherwise.
100       */
101      public boolean equals(Object obj)
102      {
103        if(! (obj instanceof JobImpressions))
104          return false;
105    
106        return super.equals(obj);
107      }
108    
109      /**
110       * Returns category of this class.
111       *
112       * @return The class <code>JobImpressions</code> itself.
113       */
114      public Class< ? extends Attribute> getCategory()
115      {
116        return JobImpressions.class;
117      }
118    
119      /**
120       * Returns the name of this attribute.
121       *
122       * @return The name "job-impressions".
123       */
124      public String getName()
125      {
126        return "job-impressions";
127      }
128    }