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1: /* =========================================================== 2: * JFreeChart : a free chart library for the Java(tm) platform 3: * =========================================================== 4: * 5: * (C) Copyright 2000-2005, by Object Refinery Limited and Contributors. 6: * 7: * Project Info: http://www.jfree.org/jfreechart/index.html 8: * 9: * This library is free software; you can redistribute it and/or modify it 10: * under the terms of the GNU Lesser General Public License as published by 11: * the Free Software Foundation; either version 2.1 of the License, or 12: * (at your option) any later version. 13: * 14: * This library is distributed in the hope that it will be useful, but 15: * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 16: * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public 17: * License for more details. 18: * 19: * You should have received a copy of the GNU Lesser General Public 20: * License along with this library; if not, write to the Free Software 21: * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 22: * USA. 23: * 24: * [Java is a trademark or registered trademark of Sun Microsystems, Inc. 25: * in the United States and other countries.] 26: * 27: * ------------------------ 28: * AreaRendererEndType.java 29: * ------------------------ 30: * (C) Copyright 2004, 2005, by Object Refinery Limited. 31: * 32: * Original Author: David Gilbert (for Object Refinery Limited); 33: * Contributor(s): -; 34: * 35: * $Id: AreaRendererEndType.java,v 1.4.2.1 2005/10/25 20:53:40 mungady Exp $ 36: * 37: * Changes: 38: * -------- 39: * 29-April-2004 : Version 1 (DG); 40: * 41: */ 42: 43: package org.jfree.chart.renderer; 44: 45: import java.io.ObjectStreamException; 46: import java.io.Serializable; 47: 48: /** 49: * An enumeration of the 'end types' for an area renderer. 50: */ 51: public final class AreaRendererEndType implements Serializable { 52: 53: /** For serialization. */ 54: private static final long serialVersionUID = -1774146392916359839L; 55: 56: /** 57: * The area tapers from the first or last value down to zero. 58: */ 59: public static final AreaRendererEndType TAPER = new AreaRendererEndType( 60: "AreaRendererEndType.TAPER" 61: ); 62: 63: /** 64: * The area is truncated at the first or last value. 65: */ 66: public static final AreaRendererEndType TRUNCATE = new AreaRendererEndType( 67: "AreaRendererEndType.TRUNCATE" 68: ); 69: 70: /** 71: * The area is levelled at the first or last value. 72: */ 73: public static final AreaRendererEndType LEVEL = new AreaRendererEndType( 74: "AreaRendererEndType.LEVEL" 75: ); 76: 77: /** The name. */ 78: private String name; 79: 80: /** 81: * Private constructor. 82: * 83: * @param name the name. 84: */ 85: private AreaRendererEndType(String name) { 86: this.name = name; 87: } 88: 89: /** 90: * Returns a string representing the object. 91: * 92: * @return The string. 93: */ 94: public String toString() { 95: return this.name; 96: } 97: 98: /** 99: * Returns <code>true</code> if this object is equal to the specified 100: * object, and <code>false</code> otherwise. 101: * 102: * @param o the other object. 103: * 104: * @return A boolean. 105: */ 106: public boolean equals(Object o) { 107: 108: if (this == o) { 109: return true; 110: } 111: if (!(o instanceof AreaRendererEndType)) { 112: return false; 113: } 114: 115: AreaRendererEndType t = (AreaRendererEndType) o; 116: if (!this.name.equals(t.toString())) { 117: return false; 118: } 119: 120: return true; 121: 122: } 123: 124: /** 125: * Ensures that serialization returns the unique instances. 126: * 127: * @return The object. 128: * 129: * @throws ObjectStreamException if there is a problem. 130: */ 131: private Object readResolve() throws ObjectStreamException { 132: Object result = null; 133: if (this.equals(AreaRendererEndType.LEVEL)) { 134: result = AreaRendererEndType.LEVEL; 135: } 136: else if (this.equals(AreaRendererEndType.TAPER)) { 137: result = AreaRendererEndType.TAPER; 138: } 139: else if (this.equals(AreaRendererEndType.TRUNCATE)) { 140: result = AreaRendererEndType.TRUNCATE; 141: } 142: return result; 143: } 144: 145: }