searchcriteriaholder.java

利用java反射机制

package org.julp;

import java.util.*;

public class SearchCriteriaHolder implements java.io.Serializable, Cloneable{
    
    public SearchCriteriaHolder() {
    }
    
    protected String fieldLabel = null;
    protected String fieldName = null;
    protected String operator = "=";
    protected String functionName = null;
    protected Object searchValue = null;
    protected String booleanCondition = AND; 
    public static final String AND = "AND";
    public static final String OR = "OR";
    
    public static final String LESS = "<";
    public static final String LESS_OR_EQUALS = "<=";
    public static final String EQUALS = "=";
    public static final String LIKE = "LIKE";
    public static final String NOT_LIKE = "NOT LIKE";
    public static final String IN = "IN";
    public static final String NOT_IN = "NOT IN";
    public static final String NOT_EQUALS = "<>";
    public static final String NOT_EXISTS = "NOT EXISTS";
    public static final String EXISTS = "EXISTS";
    public static final String BETWEEN = "BETWEEN";
    public static final String NOT_BETWEEN = "NOT BETWEEN";
    public static final String IS = "IS";
    public static final String IS_NOT = "IS NOT";
    public static final String GREATER_OR_EQUALS = ">=";
    public static final String GREATER = ">";
    
    protected String operators = "<=NOT LIKE!=NOT IN<>NOT EXISTSNOT BETWEEN IS NOT >="; 
    protected Map searchValuesMap = null;
    
    /** Getter for property fieldName.
     * @return Value of property fieldName.
     *
     */
    public java.lang.String getFieldName() {
        return fieldName;
    }
    
    /** Setter for property fieldName.
     * @param fieldName New value of property fieldName.
     *
     */
    public void setFieldName(java.lang.String fieldName) {
        this.fieldName = fieldName;
    }
    
    /** Getter for property operator.
     * @return Value of property operator.
     *
     */
    public java.lang.String getOperator() {
        return operator;
    }
    
    /** Setter for property operator.
     * @param operator New value of property operator.
     *
     */
    public void setOperator(java.lang.String operator) {
        if (operators.indexOf(operator.toUpperCase()) == -1){
            throw new IllegalArgumentException("Invalid Operator: " + operator);
        }
        this.operator = operator;
    }
    
    /** Getter for property functionName.
     * @return Value of property functionName.
     *
     */
    public java.lang.String getFunctionName() {
        return functionName;
    }
    
    /** Setter for property functionName.
     * @param functionName New value of property functionName.
     *
     */
    public void setFunctionName(java.lang.String functionName) {
        this.functionName = functionName;
    }
    
    /** Getter for property searchValue.
     * @return Value of property searchValue.
     *
     */
    public java.lang.Object getSearchValue() {
        return searchValue;
    }
    
    /** Setter for property searchValue.
     * @param searchValue New value of property searchValue.
     *
     */
    public void setSearchValue(java.lang.Object searchValue) {
        this.searchValue = searchValue;
    }
    
    /** Getter for property booleanCondition.
     * @return Value of property booleanCondition.
     *
     */
    public java.lang.String getBooleanCondition() {
        return booleanCondition;
    }
    
    /** Setter for property booleanCondition.
     * @param booleanCondition New value of property booleanCondition.
     *
     */
    public void setBooleanCondition(java.lang.String booleanCondition) {        
        if (booleanCondition == null){
            throw new IllegalArgumentException("Missing Boolean Condition. AND/OR must be used");
        }
        if (!booleanCondition.equalsIgnoreCase(AND) && !booleanCondition.equalsIgnoreCase(OR)){
            throw new IllegalArgumentException("Invalid Boolean Condition: " + booleanCondition + ". Only AND/OR must be used");
        }
        this.booleanCondition = booleanCondition;
    }   
    
    public String toString(){
        StringBuffer sb = new StringBuffer();
        if (functionName != null){
            sb.append(functionName).append("(").append(fieldName).append(")");
        }else{
            sb.append(fieldName);
        }        
        sb.append(" ").append(operator).append(" ");
        sb.append(searchValue);
        sb.append(" ").append(booleanCondition).append(" ");
        
        return sb.toString();
    }
    
    /** Getter for property searchValuesMap.
     * @return Value of property searchValuesMap.
     *
     */
    public java.util.Map getSearchValuesMap() {
        return searchValuesMap;
    }
    
    /** Setter for property searchValuesMap.
     * @param searchValuesMap New value of property searchValuesMap.
     *
     */
    public void setSearchValuesMap(java.util.Map searchValuesMap) {
        this.searchValuesMap = searchValuesMap;
    }
    
    /** Getter for property fieldLabel.
     * @return Value of property fieldLabel.
     *
     */
    public java.lang.String getFieldLabel() {
        return fieldLabel;
    }
    
    /** Setter for property fieldLabel.
     * @param fieldLabel New value of property fieldLabel.
     *
     */
    public void setFieldLabel(java.lang.String fieldLabel) {
        this.fieldLabel = fieldLabel;
    }
    
}