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/*******************************************************************************
* Copyright (c) 2004, 2007 Mylyn project committers and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*******************************************************************************/
package org.eclipse.mylyn.internal.trac.core.model;
import java.util.ArrayList;
import java.util.List;
/**
* Represents a search criterion. Each criterion is applied to a field such as milestone or priority. It has a compare
* operator and a list of values. The compare mode is <code>OR</code> for the operators <code>contains</code>,
* <code>starts with</code>, <code>ends with</code> and <code>is</code>. The compare mode is <code>AND</code>
* for all other (negated) operators.
*
* @author Steffen Pingel
*/
public class TracSearchFilter {
public enum CompareOperator {
CONTAINS("~"), CONTAINS_NOT("!~"), BEGINS_WITH("^"), NOT_BEGINS_WITH("!^"), ENDS_WITH("$"), NOT_ENDS_WITH("!$"), IS(
""), IS_NOT("!");
public static CompareOperator fromUrl(String value) {
for (CompareOperator operator : values()) {
if (operator != IS && operator != IS_NOT && value.startsWith(operator.queryValue)) {
return operator;
}
}
if (value.startsWith(IS_NOT.queryValue)) {
return IS_NOT;
}
return IS;
}
/** The string that represent the operator in a Trac query. */
private String queryValue;
CompareOperator(String queryValue) {
this.queryValue = queryValue;
}
public String getQueryValue() {
return queryValue;
}
@Override
public String toString() {
switch (this) {
case CONTAINS:
return "contains";
case CONTAINS_NOT:
return "does not contain";
case BEGINS_WITH:
return "begins with";
case NOT_BEGINS_WITH:
return "does not begin with";
case ENDS_WITH:
return "ends with";
case NOT_ENDS_WITH:
return "does not end with";
case IS_NOT:
return "is not";
default:
return "is";
}
}
}
private String fieldName;
private CompareOperator operator;
private List<String> values = new ArrayList<String>();
public TracSearchFilter(String fieldName) {
this.fieldName = fieldName;
}
public void addValue(String value) {
values.add(value);
}
public String getFieldName() {
return fieldName;
}
public CompareOperator getOperator() {
return operator;
}
public List<String> getValues() {
return values;
}
public void setOperator(CompareOperator operator) {
this.operator = operator;
}
}
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