001/* 002 * Copyright (c) 2016-2017 Chris K Wensel <chris@wensel.net>. All Rights Reserved. 003 * Copyright (c) 2007-2017 Xplenty, Inc. All Rights Reserved. 004 * 005 * Project and contact information: http://www.cascading.org/ 006 * 007 * This file is part of the Cascading project. 008 * 009 * Licensed under the Apache License, Version 2.0 (the "License"); 010 * you may not use this file except in compliance with the License. 011 * You may obtain a copy of the License at 012 * 013 * http://www.apache.org/licenses/LICENSE-2.0 014 * 015 * Unless required by applicable law or agreed to in writing, software 016 * distributed under the License is distributed on an "AS IS" BASIS, 017 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 018 * See the License for the specific language governing permissions and 019 * limitations under the License. 020 */ 021 022package cascading.operation.assertion; 023 024import java.beans.ConstructorProperties; 025import java.util.regex.Matcher; 026 027import cascading.flow.FlowProcess; 028import cascading.operation.AssertionLevel; 029import cascading.operation.PlannerLevel; 030import cascading.operation.ValueAssertion; 031import cascading.operation.ValueAssertionCall; 032import cascading.operation.regex.RegexMatcher; 033import cascading.tuple.TupleEntry; 034 035/** 036 * Class AssertMatchesAll matches the given regular expression patternString against each argument 037 * {@link cascading.tuple.Tuple} element individually. See {@link AssertMatches} if you need to match the patternString regex against 038 * the tuple as a whole. 039 * <p> 040 * This operation uses {@link java.util.regex.Matcher} internally, specifically the method {@link java.util.regex.Matcher#find()}. 041 * <p> 042 * Note a {@code null} valued argument passed to the parser will be converted to an empty string ({@code ""}) before 043 * the regex is applied. 044 * <p> 045 * Any Object value will be coerced to a String type via any provided {@link cascading.tuple.type.CoercibleType} on 046 * the argument selector or via its {@code toString()} method. 047 * 048 * @see java.util.regex.Matcher 049 * @see java.util.regex.Pattern 050 */ 051public class AssertMatchesAll extends RegexMatcher implements ValueAssertion<Matcher> 052 { 053 /** Field message */ 054 private final static String message = "argument '%s' value was: %s, did not match: %s, in tuple: %s"; 055 056 /** 057 * Constructor AssertMatchesAll creates a new AssertMatchesAll instance. 058 * 059 * @param patternString of type String 060 */ 061 @ConstructorProperties({"patternString"}) 062 public AssertMatchesAll( String patternString ) 063 { 064 super( patternString, false ); 065 } 066 067 /** 068 * Constructor AssertMatchesAll creates a new AssertMatchesAll instance. 069 * 070 * @param patternString of type String 071 * @param negateMatch of type boolean 072 */ 073 @ConstructorProperties({"patternString", "negateMatch"}) 074 public AssertMatchesAll( String patternString, boolean negateMatch ) 075 { 076 super( patternString, negateMatch ); 077 } 078 079 @Override 080 public boolean supportsPlannerLevel( PlannerLevel plannerLevel ) 081 { 082 return plannerLevel instanceof AssertionLevel; 083 } 084 085 @Override 086 public void doAssert( FlowProcess flowProcess, ValueAssertionCall<Matcher> assertionCall ) 087 { 088 TupleEntry input = assertionCall.getArguments(); 089 090 int pos = matchEachElementPos( assertionCall.getContext(), input ); 091 092 if( pos != -1 ) 093 BaseAssertion.throwFail( message, input.getFields().get( pos ), input.getObject( pos ), patternString, input.getTuple().print() ); 094 } 095 }