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1 /*** 2 * Copyright (c) 2002, CodeStreet LLC. All rights reserved.<p> 3 * Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following 4 * conditions are met:<p> 5 * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. 6 * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer 7 * in the documentation and/or other materials provided with the distribution. Neither the name of CodeStreet LLC. nor the 8 * names of its contributors may be used to endorse or promote products derived from this software without specific prior written 9 * permission.<p> 10 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT 11 * NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL 12 * THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 13 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 14 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 15 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.<p> 16 */ 17 18 package com.codestreet.messageforge; 19 20 /*** 21 * Class to represent a constraint on a numeric <tt>long</tt> message 22 * field. 23 * @author Jawaid Hakim. 24 */ 25 public abstract class RFldConstraintI64 implements RFldConstraintNumeric 26 { 27 /*** 28 * Ctor. 29 */ 30 protected RFldConstraintI64() 31 { 32 } 33 34 /*** 35 * Check if a message field satisfies the constraint. 36 * @param fld Field to validate. 37 */ 38 public void validate(RFld fld) throws FieldValidationException 39 { 40 if (fld instanceof RFldI64) 41 { 42 RFldI64 numericFld = (RFldI64)fld; 43 if (! isValid(numericFld.getValue())) 44 throw new FieldValidationException(errDesc(fld.getName())); 45 } 46 else 47 throw new FieldValidationException("Invalid field type: " + fld.getName()); 48 } 49 50 /*** 51 * Check if a value satisfies the constraint. 52 * @param val Value to validate. 53 */ 54 public void validate(RFld fld, long val) throws FieldValidationException 55 { 56 if (! isValid(val)) 57 throw new FieldValidationException(errDesc(fld.getName())); 58 } 59 60 /*** 61 * Check if a message field satisfies the constraint. 62 * @param fld Field to validate. 63 * @return <tt>true</tt> if the field satisfies the 64 * constraint. Otherwise, <tt>false</tt> is returned. 65 * @see RFld 66 */ 67 public boolean isValid(RFld fld) 68 { 69 if (fld instanceof RFldI64) 70 return isValid(((RFldI64)fld).getValue()); 71 else 72 return false; 73 } 74 75 /*** 76 * Check if a value satisfies the constraint. 77 * @param val Field value to validate. 78 * @return <tt>true</tt> if the field satisfies the 79 * constraint. Otherwise, <tt>false</tt> is returned. 80 * @see RFld 81 */ 82 public abstract boolean isValid(long val); 83 }

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