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package org.mule.config.spring.parsers.processors; |
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import org.mule.config.spring.parsers.PreProcessor; |
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import org.mule.config.spring.parsers.assembly.configuration.PropertyConfiguration; |
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import org.mule.config.spring.util.SpringXMLUtils; |
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import java.util.HashMap; |
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import java.util.Iterator; |
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import java.util.LinkedList; |
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import java.util.List; |
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import java.util.Map; |
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import org.w3c.dom.Attr; |
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import org.w3c.dom.Element; |
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import org.w3c.dom.NamedNodeMap; |
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public class CheckExclusiveAttributes implements PreProcessor |
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{ |
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public static final int NONE = -1; |
34 | 0 | private Map knownAttributes = new HashMap(); |
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public CheckExclusiveAttributes(String[][] attributeSets) |
37 | 0 | { |
38 | 0 | for (int set = 0; set < attributeSets.length; set++) |
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{ |
40 | 0 | String[] attributes = attributeSets[set]; |
41 | 0 | for (int attribute = 0; attribute < attributes.length; attribute++) |
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{ |
43 | 0 | knownAttributes.put(attributes[attribute], new Integer(set)); |
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} |
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} |
46 | 0 | } |
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public void preProcess(PropertyConfiguration config, Element element) |
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{ |
50 | 0 | List foundAttributes = new LinkedList(); |
51 | 0 | int foundSetIndex = NONE; |
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53 | 0 | NamedNodeMap attributes = element.getAttributes(); |
54 | 0 | for (int i = 0; i < attributes.getLength(); i++) |
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{ |
56 | 0 | String alias = SpringXMLUtils.attributeName((Attr) attributes.item(i)); |
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60 | 0 | if (knownAttributes.containsKey(alias)) |
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{ |
62 | 0 | int index = ((Integer) knownAttributes.get(alias)).intValue(); |
63 | 0 | if (foundSetIndex != NONE && foundSetIndex != index) |
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{ |
65 | 0 | StringBuffer message = new StringBuffer("The attribute '"); |
66 | 0 | message.append(alias); |
67 | 0 | message.append("' cannot appear with the attribute"); |
68 | 0 | if (foundAttributes.size() > 1) |
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{ |
70 | 0 | message.append("s"); |
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} |
72 | 0 | Iterator found = foundAttributes.iterator(); |
73 | 0 | while (found.hasNext()) |
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{ |
75 | 0 | message.append(" '"); |
76 | 0 | message.append(found.next()); |
77 | 0 | message.append("'"); |
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} |
79 | 0 | message.append(" in element "); |
80 | 0 | message.append(SpringXMLUtils.elementToString(element)); |
81 | 0 | message.append("."); |
82 | 0 | throw new CheckExclusiveAttributesException(message.toString()); |
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} |
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else |
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{ |
86 | 0 | foundSetIndex = index; |
87 | 0 | foundAttributes.add(alias); |
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} |
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} |
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} |
91 | 0 | } |
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93 | 0 | public static class CheckExclusiveAttributesException extends IllegalStateException |
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{ |
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private CheckExclusiveAttributesException(String message) |
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{ |
98 | 0 | super(message); |
99 | 0 | } |
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} |
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} |