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package org.mule.transformer.simple; |
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import org.mule.api.MuleMessage; |
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import org.mule.api.transformer.TransformerException; |
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import org.mule.transformer.AbstractMessageAwareTransformer; |
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import java.text.MessageFormat; |
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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.Map; |
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import java.util.Set; |
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public class MessagePropertiesTransformer extends AbstractMessageAwareTransformer |
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{ |
37 | 0 | private List deleteProperties = null; |
38 | 0 | private Map addProperties = null; |
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private Map renameProperties; |
41 | 0 | private boolean overwrite = true; |
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public MessagePropertiesTransformer() |
44 | 0 | { |
45 | 0 | registerSourceType(Object.class); |
46 | 0 | setReturnClass(Object.class); |
47 | 0 | } |
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public Object clone() throws CloneNotSupportedException |
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{ |
52 | 0 | MessagePropertiesTransformer clone = (MessagePropertiesTransformer)super.clone(); |
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54 | 0 | if (deleteProperties != null) |
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{ |
56 | 0 | clone.setDeleteProperties(new ArrayList(deleteProperties)); |
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} |
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59 | 0 | if (addProperties != null) |
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{ |
61 | 0 | clone.setAddProperties(new HashMap(addProperties)); |
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} |
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64 | 0 | if (renameProperties != null) |
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{ |
66 | 0 | clone.setRenameProperties(new HashMap(renameProperties)); |
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} |
68 | 0 | return clone; |
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} |
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public Object transform(MuleMessage message, String outputEncoding) throws TransformerException |
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{ |
73 | 0 | if (deleteProperties != null && deleteProperties.size() > 0) |
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{ |
75 | 0 | for (Iterator iterator = deleteProperties.iterator(); iterator.hasNext();) |
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{ |
77 | 0 | message.removeProperty(iterator.next().toString()); |
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} |
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} |
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81 | 0 | if (addProperties != null && addProperties.size() > 0) |
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{ |
83 | 0 | final Set propertyNames = message.getPropertyNames(); |
84 | 0 | for (Iterator iterator = addProperties.entrySet().iterator(); iterator.hasNext();) |
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{ |
86 | 0 | Map.Entry entry = (Map.Entry)iterator.next(); |
87 | 0 | if (entry.getKey() == null) |
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{ |
89 | 0 | logger.error("Setting Null property keys is not supported, this entry is being ignored"); |
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} |
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else |
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{ |
93 | 0 | final String key = entry.getKey().toString(); |
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95 | 0 | final Object value = entry.getValue(); |
96 | 0 | if (overwrite) |
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{ |
98 | 0 | if (logger.isDebugEnabled()) |
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{ |
100 | 0 | if (!propertyNames.contains(key)) |
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{ |
102 | 0 | logger.debug("Overwriting message property " + key); |
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} |
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} |
105 | 0 | message.setProperty(key, value); |
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} |
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else |
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{ |
109 | 0 | if (propertyNames.contains(key)) |
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{ |
111 | 0 | if (logger.isDebugEnabled()) |
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{ |
113 | 0 | logger.debug(MessageFormat.format( |
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"Message already contains the property and overwrite is false, skipping: key={0}, value={1}", |
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new Object[]{key, value})); |
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} |
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} |
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} |
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} |
120 | 0 | } |
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} |
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124 | 0 | if (this.renameProperties != null && this.renameProperties.size() > 0) |
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{ |
126 | 0 | final Set propertyNames = message.getPropertyNames(); |
127 | 0 | for (Iterator iterator = this.renameProperties.entrySet().iterator(); iterator.hasNext();) |
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{ |
129 | 0 | Map.Entry entry = (Map.Entry)iterator.next(); |
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131 | 0 | if (entry.getKey() == null) |
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{ |
133 | 0 | logger.error("Setting Null property keys is not supported, this entry is being ignored"); |
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} |
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else |
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{ |
137 | 0 | final String key = entry.getKey().toString(); |
138 | 0 | final String value = (String)entry.getValue(); |
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140 | 0 | if (value == null) |
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{ |
142 | 0 | logger.error("Setting Null property values for renameProperties is not supported, this entry is being ignored"); |
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} |
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else |
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{ |
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148 | 0 | if (logger.isDebugEnabled() && !propertyNames.contains(key)) |
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{ |
150 | 0 | logger.debug("renaming message property " + key + " to " + value); |
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} |
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157 | 0 | Object propValue = message.getProperty(key); |
158 | 0 | message.removeProperty(key); |
159 | 0 | message.setProperty(value, propValue); |
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} |
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} |
162 | 0 | } |
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} |
164 | 0 | return message; |
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} |
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public List getDeleteProperties() |
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{ |
169 | 0 | return deleteProperties; |
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} |
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public void setDeleteProperties(List deleteProperties) |
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{ |
174 | 0 | this.deleteProperties = deleteProperties; |
175 | 0 | } |
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public Map getAddProperties() |
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{ |
179 | 0 | return addProperties; |
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} |
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public void setAddProperties(Map addProperties) |
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{ |
184 | 0 | this.addProperties = addProperties; |
185 | 0 | } |
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public Map getRenameProperties() |
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{ |
192 | 0 | return this.renameProperties; |
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} |
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public void setRenameProperties(Map renameProperties) |
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{ |
200 | 0 | this.renameProperties = renameProperties; |
201 | 0 | } |
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public boolean isOverwrite() |
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{ |
205 | 0 | return overwrite; |
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} |
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public void setOverwrite(final boolean overwrite) |
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{ |
210 | 0 | this.overwrite = overwrite; |
211 | 0 | } |
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} |