| /* SetOfIntegerSyntax.java -- |
| Copyright (C) 2003, 2004 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., 59 Temple Place, Suite 330, Boston, MA |
| 02111-1307 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. */ |
| |
| package javax.print.attribute; |
| |
| import java.io.Serializable; |
| import java.util.Vector; |
| |
| /** |
| * @author Michael Koch |
| */ |
| public abstract class SetOfIntegerSyntax |
| implements Cloneable, Serializable |
| { |
| private static final long serialVersionUID = 3666874174847632203L; |
| |
| private int[][] members; |
| |
| private static int[][] normalize(Vector vecMembers) |
| { |
| // XXX: Perhaps we should merge ranges that overlap. |
| |
| int current = 0; |
| int[][] members = new int[vecMembers.size()][]; |
| |
| while (vecMembers.size() > 0) |
| { |
| // Search the lowest range. |
| int[] range = (int[]) vecMembers.elementAt(0); |
| |
| for (int index = 1; index < vecMembers.size(); index++) |
| { |
| int[] tmp = (int[]) vecMembers.elementAt(index); |
| |
| if (range[0] > tmp[0] |
| || (range[0] == tmp[0] |
| && range[0] > tmp[0])) |
| range = tmp; |
| } |
| |
| members[current] = range; |
| current++; |
| } |
| |
| return members; |
| } |
| |
| /** |
| * Creates a <code>SetOfIntegerSyntax</code> object. |
| * |
| * @param member the member value |
| * |
| * @exception IllegalArgumentException if member is < 0 |
| */ |
| protected SetOfIntegerSyntax(int member) |
| { |
| if (member < 0) |
| throw new IllegalArgumentException("member may not be less than 0"); |
| |
| this.members = new int[][]{{member, member}}; |
| } |
| |
| /** |
| * Creates a <code>SetOfIntegerSyntax</code> object. |
| * |
| * @param members the members to use in this set |
| * |
| * @exception IllegalArgumentException if any element is invalid |
| * @exception NullPointerException if any element of members is null |
| */ |
| protected SetOfIntegerSyntax(int[][] members) |
| { |
| Vector vecMembers = new Vector(); |
| |
| if (members != null) |
| { |
| for (int index = 0; index < members.length; index++) |
| { |
| int lower; |
| int upper; |
| |
| if (members[index].length == 1) |
| { |
| lower = members[index][0]; |
| upper = members[index][0]; |
| } |
| else if (members[index].length == 2) |
| { |
| lower = members[index][0]; |
| upper = members[index][1]; |
| } |
| else |
| throw new IllegalArgumentException("invalid member element"); |
| |
| if (lower <= upper && lower < 0) |
| throw new IllegalArgumentException("invalid member element"); |
| |
| if (lower <= upper) |
| { |
| int[] range = new int[2]; |
| range[0] = lower; |
| range[1] = upper; |
| vecMembers.add(range); |
| } |
| } |
| } |
| |
| this.members = normalize(vecMembers); |
| } |
| |
| /** |
| * Creates a <code>SetOfIntegerSyntax</code> object. |
| * |
| * @param lowerBound the lower bound value |
| * @param upperBound the upper bound value |
| * |
| * @exception IllegalArgumentException if lowerBound <= upperbound |
| * and lowerBound < 0 |
| */ |
| protected SetOfIntegerSyntax(int lowerBound, int upperBound) |
| { |
| if (lowerBound <= upperBound |
| && lowerBound < 0) |
| throw new IllegalArgumentException(); |
| |
| members = (lowerBound <= upperBound ? new int[][]{{lowerBound, upperBound}} |
| : new int[0][]); |
| } |
| |
| /** |
| * Checks if this set contains value. |
| * |
| * @param value the value to test for |
| * |
| * @return true if this set contains value, false otherwise |
| */ |
| public boolean contains(int value) |
| { |
| // This only works on a normalized member array. |
| for (int index = 0; index < members.length; index++) |
| { |
| if (value < members[index][0]) |
| return false; |
| else if (value < members[index][1]) |
| return true; |
| } |
| |
| return false; |
| } |
| |
| /** |
| * Checks if this set contains value. |
| * |
| * @param value the value to test for |
| * |
| * @return true if this set contains value, false otherwise |
| */ |
| public boolean contains(IntegerSyntax value) |
| { |
| return contains(value.getValue()); |
| } |
| |
| /** |
| * Tests of obj is equal to this object. |
| * |
| * @param obj the object to test |
| * |
| * @return true if both objects are equal, false otherwise. |
| */ |
| public boolean equals(Object obj) |
| { |
| if (! (obj instanceof SetOfIntegerSyntax)) |
| return false; |
| |
| throw new Error("not implemented"); |
| } |
| |
| /** |
| * Returns an array describing the members included in this set. |
| * |
| * @return the array with the members |
| */ |
| public int[][] getMembers() |
| { |
| throw new Error("not implemented"); |
| } |
| |
| /** |
| * Returns the hashcode for this object. |
| * |
| * @return the hashcode |
| */ |
| public int hashCode() |
| { |
| throw new Error("not implemented"); |
| } |
| |
| /** |
| * Returns the smallest value that is greater then x. |
| * |
| * @param x an integer value |
| * |
| * @return the next value |
| */ |
| public int next(int x) |
| { |
| throw new Error("not implemented"); |
| } |
| |
| /** |
| * Returns the string representation for this object. |
| * |
| * @return the string representation |
| */ |
| public String toString() |
| { |
| throw new Error("not implemented"); |
| } |
| } |