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com.github.javaparser.ast.observer.ObservableProperty Maven / Gradle / Ivy
/*
* Copyright (C) 2007-2010 Júlio Vilmar Gesser.
* Copyright (C) 2011, 2013-2021 The JavaParser Team.
*
* This file is part of JavaParser.
*
* JavaParser can be used either under the terms of
* a) the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
* b) the terms of the Apache License
*
* You should have received a copy of both licenses in LICENCE.LGPL and
* LICENCE.APACHE. Please refer to those files for details.
*
* JavaParser is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*/
package com.github.javaparser.ast.observer;
import com.github.javaparser.ast.Node;
import com.github.javaparser.ast.NodeList;
import com.github.javaparser.ast.Generated;
import com.github.javaparser.utils.Utils;
import java.lang.reflect.InvocationTargetException;
import java.util.Collection;
import java.util.Optional;
import java.util.Arrays;
/**
* Properties considered by the AstObserver
*/
@Generated("com.github.javaparser.generator.core.node.PropertyGenerator")
public enum ObservableProperty {
ANNOTATIONS(Type.MULTIPLE_REFERENCE),
ANONYMOUS_CLASS_BODY(Type.MULTIPLE_REFERENCE),
ARGUMENTS(Type.MULTIPLE_REFERENCE),
ASTERISK(Type.SINGLE_ATTRIBUTE),
BODY(Type.SINGLE_REFERENCE),
CATCH_CLAUSES(Type.MULTIPLE_REFERENCE),
CHECK(Type.SINGLE_REFERENCE),
CLASS_BODY(Type.MULTIPLE_REFERENCE),
CLASS_DECLARATION(Type.SINGLE_REFERENCE),
COMMENT(Type.SINGLE_REFERENCE),
COMPARE(Type.SINGLE_REFERENCE),
COMPONENT_TYPE(Type.SINGLE_REFERENCE),
CONDITION(Type.SINGLE_REFERENCE),
CONTENT(Type.SINGLE_ATTRIBUTE),
DEFAULT_VALUE(Type.SINGLE_REFERENCE),
DIMENSION(Type.SINGLE_REFERENCE),
DIRECTIVES(Type.MULTIPLE_REFERENCE),
ELEMENTS(Type.MULTIPLE_REFERENCE),
ELEMENT_TYPE(Type.SINGLE_REFERENCE),
ELSE_EXPR(Type.SINGLE_REFERENCE),
ELSE_STMT(Type.SINGLE_REFERENCE),
ENCLOSING_PARAMETERS(Type.SINGLE_ATTRIBUTE),
ENTRIES(Type.MULTIPLE_REFERENCE),
EXPRESSION(Type.SINGLE_REFERENCE),
EXTENDED_TYPE(Type.SINGLE_REFERENCE),
EXTENDED_TYPES(Type.MULTIPLE_REFERENCE),
FINALLY_BLOCK(Type.SINGLE_REFERENCE),
IDENTIFIER(Type.SINGLE_ATTRIBUTE),
IMPLEMENTED_TYPES(Type.MULTIPLE_REFERENCE),
IMPORTS(Type.MULTIPLE_REFERENCE),
INDEX(Type.SINGLE_REFERENCE),
INITIALIZATION(Type.MULTIPLE_REFERENCE),
INITIALIZER(Type.SINGLE_REFERENCE),
INNER(Type.SINGLE_REFERENCE),
INTERFACE(Type.SINGLE_ATTRIBUTE),
ITERABLE(Type.SINGLE_REFERENCE),
KEYWORD(Type.SINGLE_ATTRIBUTE),
LABEL(Type.SINGLE_REFERENCE),
LABELS(Type.MULTIPLE_REFERENCE),
LEFT(Type.SINGLE_REFERENCE),
LEVELS(Type.MULTIPLE_REFERENCE),
MEMBERS(Type.MULTIPLE_REFERENCE),
MEMBER_VALUE(Type.SINGLE_REFERENCE),
MESSAGE(Type.SINGLE_REFERENCE),
MODIFIERS(Type.MULTIPLE_REFERENCE),
MODULE(Type.SINGLE_REFERENCE),
MODULE_NAMES(Type.MULTIPLE_REFERENCE),
NAME(Type.SINGLE_REFERENCE),
OPEN(Type.SINGLE_ATTRIBUTE),
OPERATOR(Type.SINGLE_ATTRIBUTE),
ORIGIN(Type.SINGLE_ATTRIBUTE),
PACKAGE_DECLARATION(Type.SINGLE_REFERENCE),
PAIRS(Type.MULTIPLE_REFERENCE),
PARAMETER(Type.SINGLE_REFERENCE),
PARAMETERS(Type.MULTIPLE_REFERENCE),
PATTERN(Type.SINGLE_REFERENCE),
QUALIFIER(Type.SINGLE_REFERENCE),
RECEIVER_PARAMETER(Type.SINGLE_REFERENCE),
RECORD_DECLARATION(Type.SINGLE_REFERENCE),
RESOURCES(Type.MULTIPLE_REFERENCE),
RIGHT(Type.SINGLE_REFERENCE),
SCOPE(Type.SINGLE_REFERENCE),
SELECTOR(Type.SINGLE_REFERENCE),
STATEMENT(Type.SINGLE_REFERENCE),
STATEMENTS(Type.MULTIPLE_REFERENCE),
STATIC(Type.SINGLE_ATTRIBUTE),
SUPER_TYPE(Type.SINGLE_REFERENCE),
TARGET(Type.SINGLE_REFERENCE),
THEN_EXPR(Type.SINGLE_REFERENCE),
THEN_STMT(Type.SINGLE_REFERENCE),
THIS(Type.SINGLE_ATTRIBUTE),
THROWN_EXCEPTIONS(Type.MULTIPLE_REFERENCE),
TRY_BLOCK(Type.SINGLE_REFERENCE),
TYPE(Type.SINGLE_REFERENCE),
TYPES(Type.MULTIPLE_REFERENCE),
TYPE_ARGUMENTS(Type.MULTIPLE_REFERENCE),
TYPE_BOUND(Type.MULTIPLE_REFERENCE),
TYPE_NAME(Type.SINGLE_REFERENCE),
TYPE_PARAMETERS(Type.MULTIPLE_REFERENCE),
UPDATE(Type.MULTIPLE_REFERENCE),
VALUE(Type.SINGLE_REFERENCE),
VALUES(Type.MULTIPLE_REFERENCE),
VARIABLE(Type.SINGLE_REFERENCE),
VARIABLES(Type.MULTIPLE_REFERENCE),
VAR_ARGS(Type.SINGLE_ATTRIBUTE),
VAR_ARGS_ANNOTATIONS(Type.MULTIPLE_REFERENCE),
WITH(Type.MULTIPLE_REFERENCE),
CASCADING_IF_STMT(Type.SINGLE_ATTRIBUTE, true),
ELSE_BLOCK(Type.SINGLE_ATTRIBUTE, true),
ELSE_BRANCH(Type.SINGLE_ATTRIBUTE, true),
EXPRESSION_BODY(Type.SINGLE_REFERENCE, true),
MAXIMUM_COMMON_TYPE(Type.SINGLE_REFERENCE, true),
POSTFIX(Type.SINGLE_ATTRIBUTE, true),
PREFIX(Type.SINGLE_ATTRIBUTE, true),
THEN_BLOCK(Type.SINGLE_ATTRIBUTE, true),
USING_DIAMOND_OPERATOR(Type.SINGLE_ATTRIBUTE, true),
RANGE,
COMMENTED_NODE;
enum Type {
SINGLE_ATTRIBUTE(false, false), SINGLE_REFERENCE(false, true), MULTIPLE_ATTRIBUTE(true, false), MULTIPLE_REFERENCE(true, true);
private boolean multiple;
private boolean node;
Type(boolean multiple, boolean node) {
this.multiple = multiple;
this.node = node;
}
}
private Type type;
private boolean derived;
public static ObservableProperty fromCamelCaseName(String camelCaseName) {
Optional observableProperty = Arrays.stream(values()).filter(v -> v.camelCaseName().equals(camelCaseName)).findFirst();
if (observableProperty.isPresent()) {
return observableProperty.get();
} else {
throw new IllegalArgumentException("No property found with the given camel case name: " + camelCaseName);
}
}
ObservableProperty(Type type) {
this.type = type;
this.derived = false;
}
ObservableProperty(Type type, boolean derived) {
this.type = type;
this.derived = derived;
}
ObservableProperty() {
this(Type.SINGLE_REFERENCE, false);
}
public boolean isDerived() {
return derived;
}
public boolean isAboutNodes() {
return type.node;
}
public boolean isAboutValues() {
return !isAboutNodes();
}
public boolean isMultiple() {
return type.multiple;
}
public boolean isSingle() {
return !isMultiple();
}
public String camelCaseName() {
return Utils.screamingToCamelCase(name());
}
public Node getValueAsSingleReference(Node node) {
Object rawValue = getRawValue(node);
try {
if (rawValue instanceof Node) {
return (Node) rawValue;
} else if (rawValue instanceof Optional) {
Optional opt = (Optional) rawValue;
if (opt.isPresent()) {
return opt.get();
} else {
return null;
}
} else {
throw new RuntimeException(String.format("Property %s returned %s (%s)", this.name(), rawValue.toString(), rawValue.getClass().getCanonicalName()));
}
} catch (ClassCastException e) {
throw new RuntimeException(e);
}
}
private boolean hasMethod(Node node, String name) {
try {
node.getClass().getMethod(name);
return true;
} catch (NoSuchMethodException e) {
return false;
}
}
public NodeList getValueAsMultipleReference(Node node) {
Object rawValue = getRawValue(node);
try {
if (rawValue == null) {
return null;
}
if (rawValue instanceof NodeList) {
return (NodeList) rawValue;
} else {
Optional opt = (Optional) rawValue;
if (opt.isPresent()) {
return opt.get();
} else {
return null;
}
}
} catch (ClassCastException e) {
throw new RuntimeException("Unable to get list value for " + this.name() + " from " + node + " (class: " + node.getClass().getSimpleName() + ")", e);
}
}
public Collection getValueAsCollection(Node node) {
Object rawValue = getRawValue(node);
try {
return (Collection) rawValue;
} catch (ClassCastException e) {
throw new RuntimeException("Unable to get list value for " + this.name() + " from " + node + " (class: " + node.getClass().getSimpleName() + ")", e);
}
}
public String getValueAsStringAttribute(Node node) {
return (String) getRawValue(node);
}
public Boolean getValueAsBooleanAttribute(Node node) {
return (Boolean) getRawValue(node);
}
public Object getRawValue(Node node) {
String getterName = "get" + Utils.capitalize(camelCaseName());
if (!hasMethod(node, getterName)) {
getterName = "is" + Utils.capitalize(camelCaseName());
if (!hasMethod(node, getterName)) {
getterName = "has" + Utils.capitalize(camelCaseName());
}
}
try {
return node.getClass().getMethod(getterName).invoke(node);
} catch (NoSuchMethodException | IllegalAccessException | InvocationTargetException e) {
throw new RuntimeException("Unable to get value for " + this.name() + " from " + node + " (" + node.getClass().getSimpleName() + ")", e);
}
}
public boolean isNull(Node node) {
return null == getRawValue(node);
}
public boolean isNullOrNotPresent(Node node) {
Object result = getRawValue(node);
if (result == null) {
return true;
}
if (result instanceof Optional) {
return !((Optional) result).isPresent();
}
return false;
}
public boolean isNullOrEmpty(Node node) {
return Utils.valueIsNullOrEmpty(getRawValue(node));
}
}
