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package org.mule.routing.filters; |
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import org.mule.api.MuleMessage; |
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import org.mule.api.routing.filter.Filter; |
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import org.mule.api.transport.PropertyScope; |
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import org.mule.util.StringUtils; |
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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 static org.mule.util.ClassUtils.equal; |
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import static org.mule.util.ClassUtils.hash; |
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public class MessagePropertyFilter implements Filter |
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{ |
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43 | 0 | protected transient final Log logger = LogFactory.getLog(MessagePropertyFilter.class); |
44 | 0 | private boolean caseSensitive = true; |
45 | 0 | private boolean not = false; |
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private String propertyName; |
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private String propertyValue; |
49 | 0 | private PropertyScope scope = PropertyScope.OUTBOUND; |
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private WildcardFilter wildcardFilter; |
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public MessagePropertyFilter() |
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{ |
55 | 0 | super(); |
56 | 0 | } |
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public MessagePropertyFilter(String expression) |
59 | 0 | { |
60 | 0 | setPattern(expression); |
61 | 0 | } |
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public boolean accept(MuleMessage message) |
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{ |
65 | 0 | if (message == null) |
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{ |
67 | 0 | return false; |
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} |
69 | 0 | Object value = message.getProperty(propertyName, scope); |
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boolean match; |
71 | 0 | if (value == null) |
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{ |
73 | 0 | match = compare(null, propertyValue); |
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} |
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else |
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{ |
77 | 0 | match = compare(value.toString(), propertyValue); |
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} |
79 | 0 | if (!match && logger.isDebugEnabled()) |
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{ |
81 | 0 | logger.debug(String.format("Property: '%s' not found in scope '%s'. Message %n%s", propertyName, scope, message)); |
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} |
83 | 0 | return match; |
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} |
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protected boolean compare(String value1, String value2) |
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{ |
88 | 0 | if (value1 == null && value2 != null && !"null".equals(value2) && not) |
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{ |
90 | 0 | return true; |
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} |
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93 | 0 | if (value1 == null) |
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{ |
95 | 0 | value1 = "null"; |
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} |
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boolean result; |
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101 | 0 | result = wildcardFilter.accept(value1); |
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103 | 0 | return (not ? !result : result); |
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} |
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public String getPattern() |
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{ |
108 | 0 | return propertyName + '=' + propertyValue; |
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} |
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public void setPattern(String expression) |
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{ |
113 | 0 | int x = expression.indexOf(":"); |
114 | 0 | int i = expression.indexOf('='); |
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116 | 0 | if (i == -1) |
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{ |
118 | 0 | throw new IllegalArgumentException( |
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"Pattern is malformed - it should be a key value pair, i.e. property=value: " + expression); |
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} |
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122 | 0 | if (x > -1 && x < i) |
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{ |
124 | 0 | setScope(expression.substring(0, x)); |
125 | 0 | expression = expression.substring(x + 1); |
126 | 0 | i = expression.indexOf('='); |
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} |
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130 | 0 | if (expression.charAt(i - 1) == '!') |
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{ |
132 | 0 | not = true; |
133 | 0 | propertyName = expression.substring(0, i - 1).trim(); |
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} |
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else |
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{ |
137 | 0 | propertyName = expression.substring(0, i).trim(); |
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} |
139 | 0 | propertyValue = expression.substring(i + 1).trim(); |
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141 | 0 | wildcardFilter = new WildcardFilter(propertyValue); |
142 | 0 | wildcardFilter.setCaseSensitive(isCaseSensitive()); |
143 | 0 | } |
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public boolean isCaseSensitive() |
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{ |
147 | 0 | return caseSensitive; |
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} |
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public void setCaseSensitive(boolean caseSensitive) |
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{ |
152 | 0 | this.caseSensitive = caseSensitive; |
153 | 0 | if (wildcardFilter != null) |
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{ |
155 | 0 | wildcardFilter.setCaseSensitive(caseSensitive); |
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} |
157 | 0 | } |
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public String getScope() |
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{ |
161 | 0 | return scope.getScopeName(); |
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} |
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public void setScope(String scope) |
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{ |
166 | 0 | if (StringUtils.isBlank(scope)) |
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{ |
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169 | 0 | return; |
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} |
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172 | 0 | PropertyScope ps = PropertyScope.get(scope.toLowerCase().trim()); |
173 | 0 | if (ps == null) |
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{ |
175 | 0 | throw new IllegalArgumentException(String.format("'%s' is not a valid property scope.", scope)); |
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} |
177 | 0 | this.scope = ps; |
178 | 0 | } |
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public boolean equals(Object obj) |
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{ |
182 | 0 | if (this == obj) |
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{ |
184 | 0 | return true; |
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} |
186 | 0 | if (obj == null || getClass() != obj.getClass()) |
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{ |
188 | 0 | return false; |
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} |
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191 | 0 | final MessagePropertyFilter other = (MessagePropertyFilter) obj; |
192 | 0 | return equal(propertyName, other.propertyName) |
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&& equal(propertyValue, other.propertyValue) |
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&& equal(scope, other.scope) |
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&& caseSensitive == other.caseSensitive; |
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} |
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public int hashCode() |
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{ |
200 | 0 | return hash(new Object[]{this.getClass(), propertyName, propertyValue, scope, caseSensitive}); |
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} |
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} |