| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| package org.netbeans.modules.j2ee.sun.validation.constraints; |
| |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.text.MessageFormat; |
| |
| import org.netbeans.modules.j2ee.sun.validation.constraints.ConstraintFailure; |
| import org.netbeans.modules.j2ee.sun.validation.util.BundleReader; |
| |
| /** |
| * RangeConstraint is a {@link Constraint} to validate a |
| * numeric element against the given range. |
| * It implements <code>Constraint</code> interface and extends |
| * {@link ConstraintUtils} class. |
| * <code>match</code> method of this object returns an empty |
| * <code>Collection</code> if the value being validated belongs to the range |
| * represented by this <code>Constraint</code>; else it returns a |
| * <code>Collection</code> with a {@link ConstraintFailure} object in it. |
| * <code>ConstraintUtils</code> class provides utility methods for formating |
| * failure messages and a <code>print<method> method to print this object. |
| * |
| * @author Rajeshwar Patil |
| * @version %I%, %G% |
| */ |
| public class RangeConstraint extends ConstraintUtils |
| implements Constraint { |
| |
| /** |
| * A start value of the range represented by |
| * this <code>Constraint</code>. |
| */ |
| private Double startValue = null; |
| |
| /** |
| * An end value of the range represented by |
| * this <code>Constraint</code>. |
| */ |
| private Double endValue = null; |
| |
| |
| /** Creates a new instance of RangeConstraint */ |
| public RangeConstraint() { |
| startValue = null; |
| endValue = null; |
| } |
| |
| |
| /** Creates a new instance of <code>RangeConstraint</code>. */ |
| public RangeConstraint(String startValue, String endValue) { |
| try { |
| this.startValue = new Double(startValue); |
| this.endValue = new Double(endValue); |
| } catch(NumberFormatException e) { |
| String format = |
| BundleReader.getValue("Error_failed_to_create"); //NOI18N |
| Object[] arguments = |
| new Object[]{"RangeConstaint"}; //NOI18N |
| |
| System.out.println(MessageFormat.format(format, arguments)); |
| } |
| } |
| |
| |
| /** |
| * Validates the given value against this <code>Constraint</code>. |
| * |
| * @param value the value to be validated. |
| * @param name the element name, value of which is being validated. |
| * It is used only in case of <code>Constraint</code> failure, to |
| * construct the failure message. |
| * |
| * @return <code>Collection</code> the Collection of |
| * <code>ConstraintFailure</code> Objects. Collection is empty |
| * if there are no failures. This method will fail, if the given value |
| * is non-numeric or its numeric & does not belong to the range |
| * represented by this object. |
| */ |
| public Collection match(String value, String name) { |
| ArrayList failed_constrained_list = new ArrayList(); |
| |
| if((startValue == null) || (endValue == null)) { |
| return failed_constrained_list; |
| } |
| |
| if((value != null) && (value.length() != 0)){ |
| try { |
| Double val = new Double(value); |
| if((val.compareTo(startValue) < 0) || |
| (val.compareTo(endValue) > 0)){ |
| addFailure(failed_constrained_list, name, value); |
| } |
| } catch(NumberFormatException e) { |
| addFailure(failed_constrained_list, name, value); } |
| } |
| return failed_constrained_list; |
| } |
| |
| |
| /** |
| * Sets the start value of the range represented by this object. |
| * |
| * @param value the value to be set as the start value of the |
| * range represented by this object. |
| */ |
| public void setRangeStart(String value){ |
| try { |
| startValue = new Double(value); |
| } catch(NumberFormatException e) { |
| String format = |
| BundleReader.getValue("Error_failed_to_set"); //NOI18N |
| Object[] arguments = |
| new Object[]{this.toString(), "Range Start"}; //NOI18N |
| |
| System.out.println(MessageFormat.format(format, arguments)); |
| } |
| } |
| |
| |
| /** |
| * Sets the end value of the range represented by this object. |
| * |
| * @param value the value to be set as the end value of the |
| * range represented by this object. |
| */ |
| public void setRangeEnd(String value){ |
| try { |
| endValue = new Double(value); |
| } catch(NumberFormatException e) { |
| String format = |
| BundleReader.getValue("Error_failed_to_set"); //NOI18N |
| Object[] arguments = |
| new Object[]{this.toString(), "Range End"}; //NOI18N |
| |
| System.out.println(MessageFormat.format(format, arguments)); |
| } |
| } |
| |
| |
| /** |
| * Prints this <code>Constraint</code>. |
| */ |
| public void print() { |
| super.print(); |
| |
| String format = BundleReader.getValue("Name_Value_Pair_Format");//NOI18N |
| Object[] arguments = |
| new Object[]{"Range Start", startValue}; //NOI18N |
| System.out.println(MessageFormat.format(format, arguments)); |
| |
| arguments = new Object[]{"Range End", endValue}; //NOI18N |
| System.out.println(MessageFormat.format(format, arguments)); |
| } |
| |
| |
| /** |
| * Sets the start value of the range represented by this object. |
| * |
| * @param value the value to be set as the start value of the |
| * range represented by this object. |
| */ |
| public void setRangeStart(Double value){ |
| startValue = value; |
| } |
| |
| |
| /** |
| * Sets the end value of the range represented by this object. |
| * |
| * @param value the value to be set as the end value of the |
| * range represented by this object. |
| */ |
| public void setRangeEnd(Double value){ |
| endValue = value; |
| } |
| |
| |
| private void addFailure(Collection failed_constrained_list, |
| String name, String value){ |
| String failureMessage = formatFailureMessage(toString(), value, name); |
| |
| String format = BundleReader.getValue( |
| "MSG_RangeConstraint_Failure"); //NOI18N |
| String range = startValue + " - " + endValue; |
| Object[] arguments = new Object[]{range}; |
| String genericFailureMessage = |
| MessageFormat.format(format, arguments); |
| |
| failed_constrained_list.add(new ConstraintFailure(toString(), |
| value, name, failureMessage, genericFailureMessage)); |
| } |
| } |