Java Printer Usage getIntegerAttribute(String name, int value)

Here you can find the source of getIntegerAttribute(String name, int value)

Description

Instantiates an IntegerSyntax based attribute with the given IPP name for the given int value.

License

Open Source License

Parameter

Parameter Description
name the attribute name of the subclass.
value the integer value

Return

The Attribute (a subclass of IntegerSyntax)

Declaration

public static Attribute getIntegerAttribute(String name, int value) 

Method Source Code


//package com.java2s;
/* IppUtilities.java --/*from  w  w  w  . ja  va2 s .c o  m*/
   Copyright (C) 2006 Free Software Foundation, Inc.
    
This file is part of GNU Classpath.
    
GNU Classpath is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
    
GNU Classpath 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 for more details.
    
You should have received a copy of the GNU General Public License
along with GNU Classpath; see the file COPYING.  If not, write to the
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301 USA.
    
Linking this library statically or dynamically with other modules is
making a combined work based on this library.  Thus, the terms and
conditions of the GNU General Public License cover the whole
combination.
    
As a special exception, the copyright holders of this library give you
permission to link this library with independent modules to produce an
executable, regardless of the license terms of these independent
modules, and to copy and distribute the resulting executable under
terms of your choice, provided that you also meet, for each linked
independent module, the terms and conditions of the license of that
module.  An independent module is a module which is not derived from
or based on this library.  If you modify this library, you may extend
this exception to your version of the library, but you are not
obligated to do so.  If you do not wish to do so, delete this
exception statement from your version. */

import java.lang.reflect.Constructor;

import java.lang.reflect.InvocationTargetException;
import java.util.HashMap;

import javax.print.attribute.Attribute;

public class Main {
    private static Object[] INTEGER_ATT_VALUE = new Object[1];
    private static Class<?>[] INTEGER_CLASS_ARRAY = new Class[] { int.class };
    private static HashMap<String, Class<? extends Attribute>> classesByName = new HashMap<String, Class<? extends Attribute>>();

    /**
     * Instantiates an <code>IntegerSyntax</code> based attribute with the
     * given IPP name for the given int value.
     *
     * @param name the attribute name of the subclass.
     * @param value the integer value
     * @return The Attribute (a subclass of IntegerSyntax)
     */
    public static Attribute getIntegerAttribute(String name, int value) {
        Class<?> attrClass = getClass(name);

        // There might be unknown attributes we have no mapped class for
        if (attrClass == null)
            return null;

        try {
            INTEGER_ATT_VALUE[0] = Integer.valueOf(value);
            Constructor<?> c = attrClass.getDeclaredConstructor(INTEGER_CLASS_ARRAY);
            return (Attribute) c.newInstance(INTEGER_ATT_VALUE);
        } catch (SecurityException e) {
            // should not happen
        } catch (NoSuchMethodException e) {
            // should not happen
        } catch (IllegalAccessException e) {
            // should not happen, all fields are public
        } catch (InstantiationException e) {
            // should not happen, all fields are public
        } catch (InvocationTargetException e) {
            // should not happen, all fields are public
        }

        return null;
    }

    /**
     * Returns the implementing class object for given
     * attribute name objects.
     *
     * @param name the attribute name
     * @return The <code>Class</code> object.
     */
    public static Class<? extends Attribute> getClass(String name) {
        return classesByName.get(name);
    }
}

Related

  1. getAvailablePrinters()
  2. getDefaultPrinterName()
  3. getDefaultPrinterName()
  4. getDefaultPrintRequestAttributes()
  5. getEnumAttribute(String name, Object value)
  6. getJobPriority(int pages, int copies, boolean withDialog)
  7. getOrientationRequested(int value)
  8. getPaperTraysArray(PrintService ps)
  9. getPrinterAttributes(PrintService printer)