001/* 002 * Copyright (c) 2007-2015 Concurrent, Inc. All Rights Reserved. 003 * 004 * Project and contact information: http://www.cascading.org/ 005 * 006 * This file is part of the Cascading project. 007 * 008 * Licensed under the Apache License, Version 2.0 (the "License"); 009 * you may not use this file except in compliance with the License. 010 * You may obtain a copy of the License at 011 * 012 * http://www.apache.org/licenses/LICENSE-2.0 013 * 014 * Unless required by applicable law or agreed to in writing, software 015 * distributed under the License is distributed on an "AS IS" BASIS, 016 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 017 * See the License for the specific language governing permissions and 018 * limitations under the License. 019 */ 020 021package cascading.operation.assertion; 022 023import java.beans.ConstructorProperties; 024import java.util.regex.Matcher; 025 026import cascading.flow.FlowProcess; 027import cascading.operation.AssertionLevel; 028import cascading.operation.PlannerLevel; 029import cascading.operation.ValueAssertion; 030import cascading.operation.ValueAssertionCall; 031import cascading.operation.regex.RegexMatcher; 032import cascading.tuple.TupleEntry; 033 034/** 035 * Class AssertMatchesAll matches the given regular expression patternString against each argument 036 * {@link cascading.tuple.Tuple} element individually. See {@link AssertMatches} if you need to match the patternString regex against 037 * the tuple as a whole. 038 * <p/> 039 * This operation uses {@link java.util.regex.Matcher} internally, specifically the method {@link java.util.regex.Matcher#find()}. 040 * <p/> 041 * Note a {@code null} valued argument passed to the parser will be converted to an empty string ({@code ""}) before 042 * the regex is applied. 043 * <p/> 044 * Any Object value will be coerced to a String type via any provided {@link cascading.tuple.type.CoercibleType} on 045 * the argument selector or via its {@code toString()} method. 046 * 047 * @see java.util.regex.Matcher 048 * @see java.util.regex.Pattern 049 */ 050public class AssertMatchesAll extends RegexMatcher implements ValueAssertion<Matcher> 051 { 052 /** Field message */ 053 private final static String message = "argument '%s' value was: %s, did not match: %s, in tuple: %s"; 054 055 /** 056 * Constructor AssertMatchesAll creates a new AssertMatchesAll instance. 057 * 058 * @param patternString of type String 059 */ 060 @ConstructorProperties({"patternString"}) 061 public AssertMatchesAll( String patternString ) 062 { 063 super( patternString, false ); 064 } 065 066 /** 067 * Constructor AssertMatchesAll creates a new AssertMatchesAll instance. 068 * 069 * @param patternString of type String 070 * @param negateMatch of type boolean 071 */ 072 @ConstructorProperties({"patternString", "negateMatch"}) 073 public AssertMatchesAll( String patternString, boolean negateMatch ) 074 { 075 super( patternString, negateMatch ); 076 } 077 078 @Override 079 public boolean supportsPlannerLevel( PlannerLevel plannerLevel ) 080 { 081 return plannerLevel instanceof AssertionLevel; 082 } 083 084 @Override 085 public void doAssert( FlowProcess flowProcess, ValueAssertionCall<Matcher> assertionCall ) 086 { 087 TupleEntry input = assertionCall.getArguments(); 088 089 int pos = matchEachElementPos( assertionCall.getContext(), input ); 090 091 if( pos != -1 ) 092 BaseAssertion.throwFail( message, input.getFields().get( pos ), input.getObject( pos ), patternString, input.getTuple().print() ); 093 } 094 }