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30 day Evaluation Version distributed via the Maven Jar Repository. Clover is not free. You have 30 days to evaluate it. Please visit http://www.thecortex.net/clover to obtain a licensed version of Clover | |||||||||||||||||||
Source file | Conditionals | Statements | Methods | TOTAL | |||||||||||||||
ConversionDescriptor.java | 95.5% | 98.2% | 100% | 97.8% |
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// Copyright 2004, 2005 The Apache Software Foundation
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package org.apache.hivemind.parse;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.Iterator;
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import java.util.List;
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import java.util.ListIterator;
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import java.util.Map;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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import org.apache.hivemind.Element;
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import org.apache.hivemind.ErrorHandler;
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import org.apache.hivemind.schema.AttributeModel;
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import org.apache.hivemind.schema.ElementModel;
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import org.apache.hivemind.schema.Rule;
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import org.apache.hivemind.schema.SchemaProcessor;
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import org.apache.hivemind.schema.rules.BaseRule;
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import org.apache.hivemind.schema.rules.CreateObjectRule;
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import org.apache.hivemind.schema.rules.InvokeParentRule;
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import org.apache.hivemind.schema.rules.ReadAttributeRule;
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/**
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* Descriptor for the <conversion> module descriptor element. This descriptor implements the
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* {@link Rule}interface and is added as a standard rule to the containing {@link ElementModel}.
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* When processed it delegates to a {@link CreateObjectRule}, a bunch of {@link ReadAttributeRule},
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* and finally an {@link InvokeParentRule}.
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*
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* @author Howard Lewis Ship
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*/
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public class ConversionDescriptor extends BaseRule |
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{ |
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private static final Log LOG = LogFactory.getLog(ConversionDescriptor.class); |
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private ErrorHandler _errorHandler;
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private String _className;
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private String _parentMethodName = "addElement"; |
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private Map _attributeNameMappingMap = new HashMap(); |
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/** @since 1.1 */
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private List _attributeMappings = new ArrayList(); |
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private List _rules;
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private ElementModel _elementModel;
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public ConversionDescriptor(ErrorHandler errorHandler, ElementModel elementModel)
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{ |
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_errorHandler = errorHandler; |
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_elementModel = elementModel; |
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} |
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/**
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* @since 1.1
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*/
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public List getAttributeMappings()
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{ |
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return _attributeMappings;
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} |
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/**
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* Adds a mapping for an attribute; these come from <map> elements nested within the
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* <conversion> element. A check for duplicate attribute mappings (that is, duplicated
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* attribute name), and an error is logged (and the duplicate ignored).
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*/
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public void addAttributeMapping(AttributeMappingDescriptor descriptor) |
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{ |
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String attributeName = descriptor.getAttributeName(); |
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AttributeMappingDescriptor existing = (AttributeMappingDescriptor) _attributeNameMappingMap |
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.get(attributeName); |
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if (existing != null) |
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{ |
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_errorHandler.error( |
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LOG, |
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ParseMessages.dupeAttributeMapping(descriptor, existing), |
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descriptor.getLocation(), |
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null);
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return;
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} |
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_attributeNameMappingMap.put(attributeName, descriptor); |
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_attributeMappings.add(descriptor); |
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} |
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/**
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* @since 1.1
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*/
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public String getClassName()
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{ |
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return _className;
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} |
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public void setClassName(String string) |
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{ |
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_className = string; |
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} |
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/**
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* @since 1.1
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*/
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public String getParentMethodName()
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{ |
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return _parentMethodName;
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} |
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public void setParentMethodName(String string) |
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{ |
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_parentMethodName = string; |
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} |
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/**
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* @since 1.1
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*/
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public void begin(SchemaProcessor processor, Element element) |
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{ |
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for (Iterator i = _rules.iterator(); i.hasNext();)
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{ |
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Rule rule = (Rule) i.next(); |
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rule.begin(processor, element); |
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} |
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} |
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/**
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* @since 1.1
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*/
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public void end(SchemaProcessor processor, Element element) |
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{ |
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for (ListIterator i = _rules.listIterator(_rules.size()); i.hasPrevious();)
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{ |
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Rule rule = (Rule) i.previous(); |
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rule.end(processor, element); |
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} |
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} |
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public void addRulesForModel() |
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{ |
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_rules = new ArrayList();
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_rules.add(new CreateObjectRule(_className));
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addAttributeRules(); |
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_rules.add(new InvokeParentRule(_parentMethodName));
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} |
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private void addAttributeRules() |
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{ |
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Iterator i = _elementModel.getAttributeModels().iterator(); |
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while (i.hasNext())
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{ |
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AttributeModel am = (AttributeModel) i.next(); |
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String attributeName = am.getName(); |
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AttributeMappingDescriptor amd = (AttributeMappingDescriptor) _attributeNameMappingMap |
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.get(attributeName); |
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if (amd == null) |
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{ |
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_rules.add(new ReadAttributeRule(attributeName,
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constructPropertyName(attributeName), null, getLocation()));
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} |
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else
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{ |
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String propertyName = amd.getPropertyName(); |
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if (propertyName == null) |
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propertyName = constructPropertyName(attributeName); |
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_rules.add(new ReadAttributeRule(attributeName, propertyName, null, amd |
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.getLocation())); |
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_attributeNameMappingMap.remove(attributeName); |
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} |
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} |
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if (!_attributeNameMappingMap.isEmpty())
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_errorHandler.error(LOG, ParseMessages.extraMappings( |
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_attributeNameMappingMap.keySet(), |
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_elementModel), _elementModel.getLocation(), null);
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} |
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private String constructPropertyName(String attributeName)
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{ |
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int dashx = attributeName.indexOf('-');
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if (dashx < 0)
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return attributeName;
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int length = attributeName.length();
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StringBuffer buffer = new StringBuffer(length);
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buffer.append(attributeName.substring(0, dashx)); |
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boolean toUpper = true; |
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for (int i = dashx + 1; i < length; i++) |
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{ |
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char ch = attributeName.charAt(i);
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if (ch == '-')
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{ |
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toUpper = true;
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continue;
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} |
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if (toUpper)
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ch = Character.toUpperCase(ch); |
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buffer.append(ch); |
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toUpper = false;
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} |
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return buffer.toString();
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} |
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} |
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