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com.avaje.ebeaninternal.server.el.ElMatchBuilder Maven / Gradle / Ivy
package com.avaje.ebeaninternal.server.el;
import java.util.HashSet;
import java.util.Set;
import java.util.regex.Pattern;
/**
* Contains the various ElMatcher implementations.
*/
class ElMatchBuilder {
/**
* Case insensitive equals.
*/
static class RegularExpr implements ElMatcher {
final ElPropertyValue elGetValue;
final String value;
final Pattern pattern;
RegularExpr(ElPropertyValue elGetValue, String value, int options) {
this.elGetValue = elGetValue;
this.value = value;
this.pattern = Pattern.compile(value, options);
}
public boolean isMatch(T bean) {
String v = (String) elGetValue.pathGet(bean);
return pattern.matcher(v).matches();
}
}
/**
* Case insensitive equals.
*/
static abstract class BaseString implements ElMatcher {
final ElPropertyValue elGetValue;
final String value;
public BaseString(ElPropertyValue elGetValue, String value) {
this.elGetValue = elGetValue;
this.value = value;
}
public abstract boolean isMatch(T bean);
}
static class Ieq extends BaseString {
Ieq(ElPropertyValue elGetValue, String value) {
super(elGetValue, value);
}
public boolean isMatch(T bean) {
String v = (String) elGetValue.pathGet(bean);
return value.equalsIgnoreCase(v);
}
}
/**
* Case insensitive starts with matcher.
*/
static class IStartsWith implements ElMatcher {
final ElPropertyValue elGetValue;
final CharMatch charMatch;
IStartsWith(ElPropertyValue elGetValue, String value) {
this.elGetValue = elGetValue;
this.charMatch = new CharMatch(value);
}
public boolean isMatch(T bean) {
String v = (String) elGetValue.pathGet(bean);
return charMatch.startsWith(v);
}
}
/**
* Case insensitive ends with matcher.
*/
static class IEndsWith implements ElMatcher {
final ElPropertyValue elGetValue;
final CharMatch charMatch;
IEndsWith(ElPropertyValue elGetValue, String value) {
this.elGetValue = elGetValue;
this.charMatch = new CharMatch(value);
}
public boolean isMatch(T bean) {
String v = (String) elGetValue.pathGet(bean);
return charMatch.endsWith(v);
}
}
static class StartsWith extends BaseString {
StartsWith(ElPropertyValue elGetValue, String value) {
super(elGetValue, value);
}
public boolean isMatch(T bean) {
String v = (String) elGetValue.pathGet(bean);
return value.startsWith(v);
}
}
static class EndsWith extends BaseString {
EndsWith(ElPropertyValue elGetValue, String value) {
super(elGetValue, value);
}
public boolean isMatch(T bean) {
String v = (String) elGetValue.pathGet(bean);
return value.endsWith(v);
}
}
static class IsNull implements ElMatcher {
final ElPropertyValue elGetValue;
public IsNull(ElPropertyValue elGetValue) {
this.elGetValue = elGetValue;
}
public boolean isMatch(T bean) {
return (null == elGetValue.pathGet(bean));
}
}
static class IsNotNull implements ElMatcher {
final ElPropertyValue elGetValue;
public IsNotNull(ElPropertyValue elGetValue) {
this.elGetValue = elGetValue;
}
public boolean isMatch(T bean) {
return (null != elGetValue.pathGet(bean));
}
}
static abstract class Base implements ElMatcher {
final Object filterValue;
final ElComparator comparator;
public Base(Object filterValue, ElComparator comparator) {
this.filterValue = filterValue;
this.comparator = comparator;
}
public abstract boolean isMatch(T value);
}
static class InSet implements ElMatcher {
final Set set;
final ElPropertyValue elGetValue;
@SuppressWarnings({"unchecked", "rawtypes"})
public InSet(Set set, ElPropertyValue elGetValue) {
this.set = new HashSet(set);
this.elGetValue = elGetValue;
}
public boolean isMatch(T bean) {
Object value = elGetValue.pathGet(bean);
return value != null && set.contains(value);
}
}
/**
* Equal To.
*/
static class Eq extends Base {
public Eq(Object filterValue, ElComparator comparator) {
super(filterValue, comparator);
}
public boolean isMatch(T value) {
return comparator.compareValue(filterValue, value) == 0;
}
}
/**
* Not Equal To.
*/
static class Ne extends Base {
public Ne(Object filterValue, ElComparator comparator) {
super(filterValue, comparator);
}
public boolean isMatch(T value) {
return comparator.compareValue(filterValue, value) != 0;
}
}
/**
* Between.
*/
static class Between implements ElMatcher {
final Object min;
final Object max;
final ElComparator comparator;
Between(Object min, Object max, ElComparator comparator) {
this.min = min;
this.max = max;
this.comparator = comparator;
}
public boolean isMatch(T value) {
return (comparator.compareValue(min, value) <= 0
&& comparator.compareValue(max, value) >= 0);
}
}
/**
* Greater Than.
*/
static class Gt extends Base {
Gt(Object filterValue, ElComparator comparator) {
super(filterValue, comparator);
}
public boolean isMatch(T value) {
return comparator.compareValue(filterValue, value) == -1;
}
}
/**
* Greater Than or Equal To.
*/
static class Ge extends Base {
Ge(Object filterValue, ElComparator comparator) {
super(filterValue, comparator);
}
public boolean isMatch(T value) {
return comparator.compareValue(filterValue, value) >= 0;
}
}
/**
* Less Than or Equal To.
*/
static class Le extends Base {
Le(Object filterValue, ElComparator comparator) {
super(filterValue, comparator);
}
public boolean isMatch(T value) {
return comparator.compareValue(filterValue, value) <= 0;
}
}
/**
* Less Than.
*/
static class Lt extends Base {
Lt(Object filterValue, ElComparator comparator) {
super(filterValue, comparator);
}
public boolean isMatch(T value) {
return comparator.compareValue(filterValue, value) == 1;
}
}
}
