| Clover coverage report - Convert - proto0 |
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| Source file | Conditionals | Statements | Methods | TOTAL | |||||||||||||||
| ChainedConverter.java | 50% | 46,2% | 40% | 45,5% |
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| 1 | /* | |
| 2 | * Copyright 2004 Ronald Blaschke. | |
| 3 | * | |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); | |
| 5 | * you may not use this file except in compliance with the License. | |
| 6 | * You may obtain a copy of the License at | |
| 7 | * | |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 | |
| 9 | * | |
| 10 | * Unless required by applicable law or agreed to in writing, software | |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, | |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
| 13 | * See the License for the specific language governing permissions and | |
| 14 | * limitations under the License. | |
| 15 | */ | |
| 16 | package org.rblasch.convert.converters; | |
| 17 | ||
| 18 | import org.rblasch.convert.MetaConverter; | |
| 19 | import org.rblasch.convert.type.Type; | |
| 20 | ||
| 21 | import java.util.Iterator; | |
| 22 | import java.util.List; | |
| 23 | ||
| 24 | public final class ChainedConverter extends AbstractConverter { | |
| 25 | private final List /*<MetaConverter>*/ converters; | |
| 26 | ||
| 27 | /** | |
| 28 | * Initialize this chained converter. | |
| 29 | * | |
| 30 | * @param converters | |
| 31 | */ | |
| 32 | 535 | public ChainedConverter(final List /*<MetaConverter>*/ converters) { |
| 33 | 535 | this.converters = converters; |
| 34 | } | |
| 35 | ||
| 36 | 0 | public Type getSourceType() { |
| 37 | 0 | return ((MetaConverter) converters.get(0)).getSourceType(); |
| 38 | } | |
| 39 | ||
| 40 | 0 | public Type getDestinationType() { |
| 41 | 0 | return ((MetaConverter) converters.get(converters.size() - 1)).getDestinationType(); |
| 42 | } | |
| 43 | ||
| 44 | 0 | public int getWeight() { |
| 45 | 0 | int totalWeight = 0; |
| 46 | 0 | for (final Iterator i = converters.iterator(); i.hasNext();) { |
| 47 | 0 | final MetaConverter mc = (MetaConverter) i.next(); |
| 48 | 0 | totalWeight += mc.getWeight(); |
| 49 | } | |
| 50 | 0 | return totalWeight; |
| 51 | } | |
| 52 | ||
| 53 | /** | |
| 54 | * Converts the given value to the destination types. | |
| 55 | * | |
| 56 | * @param obj Object of types <code>getSourceType()</code>, or <code>null</code> | |
| 57 | * @return <code>null</code> iff value is <code>null</code>, object of types | |
| 58 | * <code>getDestinationType()</code> | |
| 59 | * @throws org.apache.commons.convert.NoSuchConversionException | |
| 60 | * Given object not of types <code>getSourceType()</code> | |
| 61 | * @throws org.apache.commons.convert.ConversionFailedException | |
| 62 | * Conversion failed; see exception message and cause for details | |
| 63 | */ | |
| 64 | 26 | public Object convert(final Object obj) throws Exception { |
| 65 | 26 | Object tmp = obj; |
| 66 | 26 | for (final Iterator i = converters.iterator(); i.hasNext();) { |
| 67 | 52 | final MetaConverter c = (MetaConverter) i.next(); |
| 68 | 52 | tmp = c.getConverter().convert(tmp); |
| 69 | } | |
| 70 | 26 | return tmp; |
| 71 | } | |
| 72 | } |
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