Many resources are needed to download a project. Please understand that we have to compensate our server costs. Thank you in advance.
Project price only 1 $
You can buy this project and download/modify it how often you want.
com.blazebit.reflection.ExpressionUtils Maven / Gradle / Ivy
package com.blazebit.reflection;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;
public final class ExpressionUtils {
private static final ConcurrentMap> cache = new ConcurrentHashMap>();
/* Without value class */
public static PropertyPathExpression getExpression(
Class source, String propertyPath) {
return getExpression(source, propertyPath, (Class) null);
}
public static PropertyPathExpressionValueHolder getValueHolder(
Class source, X target, String propertyPath) {
return getValueHolder(source, target, propertyPath, (Class) null);
}
public static PropertyPathExpressionValueHolder getValueHolder(
Class source, X target, String propertyPath, boolean allowFieldAccess) {
return getValueHolder(source, target, propertyPath, (Class) null, allowFieldAccess);
}
/* With value class */
@SuppressWarnings("unchecked")
public static PropertyPathExpression getExpression(
Class source, String propertyPath, Class valueClass) {
return getExpression(source, propertyPath, valueClass, false);
}
@SuppressWarnings("unchecked")
public static PropertyPathExpression getExpression(
Class source, String propertyPath, Class valueClass, boolean allowFieldAccess) {
final PropertyPathExpressionKey key = new PropertyPathExpressionKey(
source, propertyPath, allowFieldAccess);
PropertyPathExpression expression = cache.get(key);
if (expression == null) {
expression = new PropertyPathExpression(
(Class) source, propertyPath, allowFieldAccess);
final PropertyPathExpression oldExpression = cache
.putIfAbsent(key, expression);
if (oldExpression != null) {
expression = oldExpression;
}
}
return (PropertyPathExpression) expression;
}
public static PropertyPathExpressionValueHolder getValueHolder(
Class source, X target, String propertyPath, Class valueClass) {
return new PropertyPathExpressionValueHolder(target, getExpression(source, propertyPath, valueClass));
}
public static PropertyPathExpressionValueHolder getValueHolder(
Class source, X target, String propertyPath, Class valueClass, boolean allowFieldAccess) {
return new PropertyPathExpressionValueHolder(target, getExpression(source, propertyPath, valueClass, allowFieldAccess));
}
/* With source class */
public static Y getValue(Class source, X target,
String propertyPath) {
return getValue(source, target, propertyPath, (Class) null);
}
public static Y getNullSafeValue(Class source, X target,
String propertyPath) {
return getNullSafeValue(source, target, propertyPath, (Class) null);
}
public static void setValue(Class source, X target,
String propertyPath, Y value) {
getExpression(source, propertyPath).setValue(target, value);
}
public static Y getValue(Class source, X target,
String propertyPath, boolean allowFieldAccess) {
return getValue(source, target, propertyPath, (Class) null, allowFieldAccess);
}
public static Y getNullSafeValue(Class source, X target,
String propertyPath, boolean allowFieldAccess) {
return getNullSafeValue(source, target, propertyPath, (Class) null, allowFieldAccess);
}
public static void setValue(Class source, X target,
String propertyPath, Y value, boolean allowFieldAccess) {
getExpression(source, propertyPath, null, allowFieldAccess).setValue(target, value);
}
/* With value class */
public static Y getValue(Class source, X target,
String propertyPath, Class valueClass) {
return getExpression(source, propertyPath, valueClass).getValue(target);
}
public static Y getNullSafeValue(Class source, X target,
String propertyPath, Class valueClass) {
return getExpression(source, propertyPath, valueClass)
.getNullSafeValue(target);
}
public static Y getValue(Class source, X target,
String propertyPath, Class valueClass, boolean allowFieldAccess) {
return getExpression(source, propertyPath, valueClass, allowFieldAccess).getValue(target);
}
public static Y getNullSafeValue(Class source, X target,
String propertyPath, Class valueClass, boolean allowFieldAccess) {
return getExpression(source, propertyPath, valueClass, allowFieldAccess)
.getNullSafeValue(target);
}
/* Without source class */
public static Y getValue(X target, String propertyPath) {
return getValue(target, propertyPath, null);
}
public static Y getNullSafeValue(X target, String propertyPath) {
return getNullSafeValue(target, propertyPath, null);
}
@SuppressWarnings("unchecked")
public static void setValue(X target, String propertyPath, Y value) {
getExpression((Class) target.getClass(), propertyPath).setValue(
target, value);
}
public static Y getValue(X target, String propertyPath, boolean allowFieldAccess) {
return getValue(target, propertyPath, null, allowFieldAccess);
}
public static Y getNullSafeValue(X target, String propertyPath, boolean allowFieldAccess) {
return getNullSafeValue(target, propertyPath, null, allowFieldAccess);
}
@SuppressWarnings("unchecked")
public static void setValue(X target, String propertyPath, Y value, boolean allowFieldAccess) {
getExpression((Class) target.getClass(), propertyPath, null, allowFieldAccess).setValue(
target, value);
}
/* With value class */
@SuppressWarnings("unchecked")
public static Y getValue(X target, String propertyPath,
Class valueClass) {
return getExpression((Class) target.getClass(), propertyPath,
valueClass).getValue(target);
}
@SuppressWarnings("unchecked")
public static Y getNullSafeValue(X target, String propertyPath,
Class valueClass) {
return target == null ? null : getExpression(
(Class) target.getClass(), propertyPath, valueClass)
.getNullSafeValue(target);
}
@SuppressWarnings("unchecked")
public static Y getValue(X target, String propertyPath,
Class valueClass, boolean allowFieldAccess) {
return getExpression((Class) target.getClass(), propertyPath,
valueClass, allowFieldAccess).getValue(target);
}
@SuppressWarnings("unchecked")
public static Y getNullSafeValue(X target, String propertyPath,
Class valueClass, boolean allowFieldAccess) {
return target == null ? null : getExpression(
(Class) target.getClass(), propertyPath, valueClass, allowFieldAccess)
.getNullSafeValue(target);
}
private static class PropertyPathExpressionKey {
final Class source;
final String propertyPath;
final boolean allowField;
public PropertyPathExpressionKey(Class source, String propertyPath, boolean allowField) {
this.source = source;
this.propertyPath = propertyPath;
this.allowField = allowField;
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result
+ ((propertyPath == null) ? 0 : propertyPath.hashCode());
result = prime * result
+ ((source == null) ? 0 : source.hashCode());
return result;
}
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (obj == null)
return false;
if (getClass() != obj.getClass())
return false;
PropertyPathExpressionKey other = (PropertyPathExpressionKey) obj;
if (propertyPath == null) {
if (other.propertyPath != null)
return false;
} else if (!propertyPath.equals(other.propertyPath))
return false;
if (source == null) {
if (other.source != null)
return false;
} else if (!source.equals(other.source))
return false;
return true;
}
}
private ExpressionUtils() {
}
}
