ParameterObject.java :  » Google-tech » jrest4guice » org » jrest4guice » persistence » Java Open Source

package org.jrest4guice.persistence;

import org.apache.commons.beanutils.BeanUtilsBean;
import org.apache.commons.lang.ObjectUtils.Null;
import org.jrest4guice.commons.lang.Logic;
import org.jrest4guice.commons.lang.Relation;

public class ParameterObject {
  private String name;
  private Object value;
  private Logic logic;
  private Relation relation;
  private Class<?> dataType;
  
  public ParameterObject(String name, Object value, Logic logic, Relation relation) {
    this(name,value,logic,relation,Null.class);
  }
  public ParameterObject(String name, Object value, Logic logic, Relation relation,Class<?> dataType) {
    super();
    this.name = name;
    this.value = value;
    this.logic = logic;
    this.relation = relation;
    this.dataType = dataType;
  }
  public String getName() {
    return name;
  }
  public void setName(String name) {
    this.name = name;
  }
  public Object getValue() {
    Object result = value;
    if(this.dataType !=  Null.class){
      result = BeanUtilsBean.getInstance().getConvertUtils().convert(value, this.dataType);
    }
    
    if(this.relation==Relation.LIKE && result != null && !result.toString().trim().equals(""))
      result = "%"+result.toString()+"%";
  
    return result;
  }
  public void setValue(Object value) {
    this.value = value;
  }
  public Logic getLogic() {
    return logic;
  }
  public void setLogic(Logic logic) {
    this.logic = logic;
  }
  public Relation getRelation() {
    return relation;
  }
  public void setRelation(Relation relation) {
    this.relation = relation;
  }

  public String getLogicSymbol() {
    String symbol = "and";
    switch (this.logic) {
    case AND:
      symbol = "and";
      break;
    case OR:
      symbol = "or";
      break;
    }
    return symbol;
  }

  public String getRelationSymbol() {
    String symbol = "=";
    switch (this.relation) {
    case LIKE:
      symbol = " like ";
      break;
    case EQUAL:
      symbol = "=";
      break;
    case NOT_EQUAL:
      symbol = "!=";
      break;
    case GREAT_THAN:
      symbol = ">";
      break;
    case GREAT_EQUAL_THAN:
      symbol = ">=";
      break;
    case LESS_THEN:
      symbol = "<";
      break;
    case LESS_EQUAL_THEN:
      symbol = "<=";
      break;
    }
    return symbol;
  }
}