SEDoubleArray.java
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00001 /*
00002  * Copyright (c) 2008, AIST, the University of Tokyo and General Robotix Inc.
00003  * All rights reserved. This program is made available under the terms of the
00004  * Eclipse Public License v1.0 which accompanies this distribution, and is
00005  * available at http://www.eclipse.org/legal/epl-v10.html
00006  * Contributors:
00007  * General Robotix Inc.
00008  * National Institute of Advanced Industrial Science and Technology (AIST) 
00009  */
00016 package com.generalrobotix.ui.view.graph;
00017 
00018 import java.text.DecimalFormat;
00019 import java.util.StringTokenizer;
00020 
00021 public class SEDoubleArray implements StringExchangeable {
00022     Double value_[];
00023     DecimalFormat df_;
00024     boolean isNaN_;
00025 
00031     public SEDoubleArray(int size) {
00032         value_ = new Double[size];
00033         for (int i = 0; i < size; i ++) {
00034             value_[i] = new Double(0.0);
00035         }
00036         df_ = new DecimalFormat("0.####");
00037     }
00038 
00044     public SEDoubleArray(Double value[]) {
00045         value_ = value;
00046         df_ = new DecimalFormat("0.####");
00047 
00048         if (!_isValid(value_)) {
00049            throw new StringExchangeException();
00050         }
00051     }
00052 
00058     public SEDoubleArray(double value[]) {
00059         value_ = new Double[value.length];
00060         for (int i = 0; i < value.length; i ++) {
00061             value_[i] = new Double(value[i]);
00062         }
00063         df_ = new DecimalFormat("0.####");
00064         if (!_isValid(value_)) {
00065            throw new StringExchangeException();
00066         }
00067     }
00068 
00074     public SEDoubleArray(float value[]) {
00075         value_ = new Double[value.length];
00076         for (int i = 0; i < value.length; i ++) {
00077             value_[i] = new Double((double)value[i]);
00078         }
00079         df_ = new DecimalFormat("0.####");
00080         if (!_isValid(value_)) {
00081             throw new StringExchangeException();
00082         }
00083     }
00084 
00090     public SEDoubleArray(String value) {
00091         StringTokenizer token = new StringTokenizer(value);
00092 
00093         value_ = new Double[token.countTokens()];
00094         for (int i = 0; i < value_.length; i ++) {
00095             String str = token.nextToken();
00096             if (str.equals("NaN") || str.equals("")) {
00097                 isNaN_ = true;
00098                 value_[i] = new Double(Double.NaN);
00099             } else {
00100                 value_[i] = new Double(str);
00101                 if (value_[i].isInfinite()) {
00102                    throw new StringExchangeException();
00103                 }
00104             }
00105         }
00106         df_ = new DecimalFormat("0.####");
00107     }
00108 
00114     public String toString() {
00115         if (isNaN_) { return ""; }
00116 
00117         StringBuffer strBuf = new StringBuffer();
00118 
00119         if (value_.length == 0) return strBuf.toString();
00120         strBuf.append(df_.format(value_[0]));
00121         for (int i = 1; i < value_.length; i ++) {
00122             strBuf.append(" ");
00123             strBuf.append(df_.format(value_[i]));
00124         }
00125         return strBuf.toString();
00126     }
00127 
00134     public Object fromString(String str) {
00135         setValue(str);
00136         return (Object)value_;
00137     }
00138 
00144     public void setValue(Object value) {
00145         isNaN_ = false;
00146 
00147         if (_isValid((Double[])value)) { 
00148             value_ = (Double[])value;
00149         } else {
00150             throw new StringExchangeException();
00151         }
00152     }
00153 
00154     public void setValue(double[] value) {
00155         isNaN_ = false;
00156 
00157         for (int i = 0; i < value.length; i ++) {
00158             if (Double.isNaN(value[i])) {
00159                 isNaN_ = true;
00160             } else if (Double.isInfinite(value[i])) { 
00161                 throw new StringExchangeException();
00162             }
00163             value_[i] = new Double(value[i]);
00164         }
00165     }
00166 
00172     public void setValue(String str) {
00173         if (str.equals("")) {
00174             isNaN_ = true;
00175             for (int i = 0; i < value_.length; i ++) {
00176                 value_[i] = new Double(Double.NaN);
00177             }
00178             return;
00179         }
00180 
00181         StringTokenizer token = new StringTokenizer(str);
00182 
00183         isNaN_ = false;
00184         for (int i = 0; i < value_.length; i ++) {
00185             if (token.hasMoreTokens()) {
00186                 String value = token.nextToken();
00187                 if (value.equals("NaN")) {
00188                     isNaN_ = true;
00189                     value_[i] = new Double(Double.NaN);
00190                 } else {
00191                     value_[i] = new Double(value);
00192                     if (value_[i].isInfinite()) {
00193                         throw new StringExchangeException();
00194                     }
00195                 }
00196             } else {
00197                 throw new StringExchangeException();
00198             }
00199         }
00200     }
00201 
00202     public void setValue(int index, double value) {
00203         value_[index] = new Double(value);
00204     }
00205 
00211     public int size() {
00212         return value_.length;
00213     }
00214 
00220     public Object getValue() {
00221         return (Object)value_;
00222     }
00223 
00230     public Double getValue(int index) {
00231         if (value_.length <= index) return null;
00232         return value_[index];
00233     }
00234 
00241     public double doubleValue(int index) {
00242         if (value_.length <= index) return 0.0;
00243         return value_[index].doubleValue();
00244     }
00245 
00252     public float floatValue(int index) {
00253         if (value_.length <= index) return 0.0f;
00254         return value_[index].floatValue();
00255     }
00256 
00262     public Double[] getDoubleArray() {
00263         return value_;
00264     }
00265 
00266     public void get(double[] value) {
00267         for (int i = 0; i < value_.length; i ++) {
00268             value[i] = value_[i].doubleValue();
00269         }
00270     }
00271 
00272     public void get(float[] value) {
00273         for (int i = 0; i < value_.length; i ++) {
00274             value[i] = value_[i].floatValue();
00275         }
00276     }
00277 
00278     private boolean _isValid(Double[] value) {
00279         for (int i = 0; i < value.length; i ++) {
00280             if (value[i].isNaN()) {
00281                 isNaN_ = true;
00282                 return true; 
00283             } else if (value[i].isInfinite()) {
00284                 return false;
00285             }
00286         }
00287         return true;
00288     }
00289 }


openhrp3
Author(s): AIST, General Robotix Inc., Nakamura Lab of Dept. of Mechano Informatics at University of Tokyo
autogenerated on Sun Apr 2 2017 03:43:57