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/*
* Copyright (c) 2022 Contributors to the Eclipse Foundation
* Copyright (c) 1997, 2018 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v. 2.0, which is available at
* http://www.eclipse.org/legal/epl-2.0.
*
* This Source Code may also be made available under the following Secondary
* Licenses when the conditions for such availability set forth in the
* Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
* version 2 with the GNU Classpath Exception, which is available at
* https://www.gnu.org/software/classpath/license.html.
*
* SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
*/
package com.sun.enterprise.deployment;
import com.sun.enterprise.deployment.runtime.application.wls.ApplicationParam;
import com.sun.enterprise.deployment.types.EnvironmentPropertyValueTypes;
import com.sun.enterprise.deployment.util.DOLUtils;
import com.sun.enterprise.deployment.web.ContextParameter;
import com.sun.enterprise.deployment.web.InitializationParameter;
import com.sun.enterprise.deployment.web.WebDescriptor;
import com.sun.enterprise.util.LocalStringManagerImpl;
import java.util.HashSet;
import java.util.Set;
import org.glassfish.api.naming.SimpleJndiName;
import org.glassfish.deployment.common.Descriptor;
import org.glassfish.internal.api.RelativePathResolver;
/**
* The EnvironmentProperty class hold the data about a single environment entry for J2EE components.
*
* @author Danny Coward
*/
public class EnvironmentProperty extends Descriptor implements InitializationParameter, ContextParameter,
ApplicationParam, WebDescriptor, InjectionCapable {
private static final long serialVersionUID = 1L;
static LocalStringManagerImpl localStrings = new LocalStringManagerImpl(EnvironmentProperty.class);
private String value;
private String type;
private Object valueObject;
private boolean setValueCalled;
// list of injection targes
private Set injectionTargets;
protected SimpleJndiName mappedName;
protected SimpleJndiName lookupName;
/**
* Construct an environment property if type String and empty string value and no description.
*/
public EnvironmentProperty() {
}
/**
* Construct an environment property of given name value and description.
*/
public EnvironmentProperty(String name, String value, String description) {
this(name, value, description, null);
}
/**
* Construct an environment property of given name value and description and type.
* Throws an IllegalArgumentException if bounds checking is true and the value cannot be
* reconciled with the given type.
*/
public EnvironmentProperty(String name, String value, String description, String type) {
super(name, description);
this.value = value;
checkType(type);
this.type = convertPrimitiveTypes(type);
}
// in this class it is not deprecated.
@Override
public String getName() {
return super.getName();
}
/**
* Returns the String value of this environment property
*/
@Override
public String getValue() {
if (this.value == null) {
this.value = "";
}
return value;
}
/**
* Resolves value written as ${} string using system properties.
*
* @return a resolved value of this environment property.
*/
public String getResolvedValue() {
return RelativePathResolver.resolvePath(getValue());
}
/**
* Resolves value written as ${} string using system properties, then parses it using
* {@link #getValueType()}.
*
* @return the typed value object of this environment property.
* @throws IllegalArgumentException if bounds checking is true and the value cannot be
* reconciled with the given type.
*/
public final T getResolvedValueObject(final Class expectedType) {
if (this.valueObject == null) {
this.valueObject = "";
}
return getObjectFromString(this.getResolvedValue(), expectedType);
}
/**
* checks the given class type. throws an IllegalArgumentException if bounds checking
* if the type is not allowed.
*/
private void checkType(String type) {
if (type == null) {
return;
}
Class typeClass = null;
// is it loadable ?
try {
typeClass = Class.forName(type, true, Thread.currentThread().getContextClassLoader());
} catch (Throwable t) {
if (Descriptor.isBoundsChecking()) {
throw new IllegalArgumentException(
localStrings.getLocalString("enterprise.deployment.exceptiontypenotallowedpropertytype",
"{0} is not an allowed property value type", new Object[] {type}));
}
return;
}
boolean allowedType = false;
for (Class clazz : EnvironmentPropertyValueTypes.ALLOWED_TYPES) {
if (clazz.equals(typeClass)) {
allowedType = true;
break;
}
}
if (typeClass != null && typeClass.isEnum()) {
allowedType = true;
}
if (Descriptor.isBoundsChecking() && !allowedType) {
throw new IllegalArgumentException(
localStrings.getLocalString("enterprise.deployment.exceptiontypenotallowedprprtytype",
"{0} is not an allowed property value type", new Object[] {type}));
}
}
/**
* @param expectedType if null, uses {@link #getValueType()}
* @return the typed value object of this environment property.
* Throws an IllegalArgumentException if bounds checking is true and the value cannot be
* reconciled with the given type.
*/
public T getValueObject(Class expectedType) {
return getObjectFromString(this.getValue(), expectedType);
}
/**
* @return value type of this environment property.
*/
private Class getValueType() {
if (this.type == null) {
return String.class;
}
try {
return Class.forName(this.type, true, Thread.currentThread().getContextClassLoader());
} catch (Throwable t) {
throw new IllegalStateException("The type is not reachable for the current classloader: " + type, t);
}
}
/**
* Sets the type of this environment property.
*
* @throws IllegalArgumentException if this is not an allowed type and bounds checking.
*/
public void setType(String type) {
checkType(type);
this.type = convertPrimitiveTypes(type);
}
private String convertPrimitiveTypes(String type) {
if (type == null) {
return type;
}
if (type.equals("int")) {
return "java.lang.Integer";
} else if (type.equals("boolean")) {
return "java.lang.Boolean";
} else if (type.equals("double")) {
return "java.lang.Double";
} else if (type.equals("float")) {
return "java.lang.Float";
} else if (type.equals("long")) {
return "java.lang.Long";
} else if (type.equals("short")) {
return "java.lang.Short";
} else if (type.equals("byte")) {
return "java.lang.Byte";
} else if (type.equals("char")) {
return "java.lang.Character";
}
return type;
}
/**
* @return value type of this environment property as a classname.
*/
public String getType() {
if (type == null) {
return String.class.getName();
}
return type;
}
public void setMappedName(SimpleJndiName mName) {
mappedName = mName;
}
public SimpleJndiName getMappedName() {
return mappedName == null ? new SimpleJndiName("") : mappedName;
}
public void setLookupName(SimpleJndiName lName) {
lookupName = lName;
}
public SimpleJndiName getLookupName() {
// FIXME: kill empty strings
return lookupName == null ? new SimpleJndiName("") : lookupName;
}
public boolean hasLookupName() {
return lookupName != null && !lookupName.isEmpty();
}
/**
* Sets the value of the environment property to the given string.
*/
@Override
public void setValue(String value) {
this.value = value;
// String may be empty, but at the moment of this call the type is probably not set yet.
// That's why we monitor the setter call. Null means "not set", that's alright.
this.setValueCalled = value != null;
}
/**
* @return true if the {@link #setValue(String)} was called with non-null value.
*/
public boolean isSetValueCalled() {
return setValueCalled;
}
/**
* @return true if value, lookupName or mappedName was set.
*/
public boolean hasContent() {
return setValueCalled || !getLookupName().isEmpty() || !getMappedName().isEmpty();
}
/**
* Returns true if the argument is an environment property of the same name, false else.
*/
@Override
public boolean equals(Object other) {
if (other instanceof EnvironmentProperty && this.getName().equals(((EnvironmentProperty) other).getName())) {
return true;
}
return false;
}
/**
* The hashCode of an environment property is the same as that of the name String.
*/
@Override
public int hashCode() {
return this.getName().hashCode();
}
/**
* Returns a String representation of this environment property.
*/
@Override
public void print(StringBuffer toStringBuffer) {
toStringBuffer.append(getClass().getSimpleName()).append("[name=").append(getName());
toStringBuffer.append(", type=").append(getType()).append(", value=").append(getValue());
toStringBuffer.append(", lookupName=").append(getLookupName());
toStringBuffer.append(", mappedName=").append(getMappedName());
printInjectableResourceInfo(toStringBuffer);
toStringBuffer.append(", description=").append(getDescription()).append(']');
}
private T getObjectFromString(String string, Class type) {
if (type == null) {
type = (Class) getValueType();
}
T obj = getParsedPrimitiveValue(string, type);
if (obj != null) {
return obj;
}
if (string == null || (string.isEmpty() && !String.class.equals(type))) {
return null;
}
try {
if (String.class.equals(type)) {
return (T) string;
} else if (Boolean.class.equals(type)) {
return (T) Boolean.valueOf(string);
} else if (Integer.class.equals(type)) {
return (T) Integer.valueOf(string);
} else if (Double.class.equals(type)) {
return (T) Double.valueOf(string);
} else if (Float.class.equals(type)) {
return (T) Float.valueOf(string);
} else if (Short.class.equals(type)) {
return (T) Short.valueOf(string);
} else if (Byte.class.equals(type)) {
return (T) Byte.valueOf(string);
} else if (Long.class.equals(type)) {
return (T) Long.valueOf(string);
} else if (Character.class.equals(type)) {
if (string.length() == 1) {
return (T) Character.valueOf(string.charAt(0));
}
throw new IllegalArgumentException("String cannot be converted to Character: " + string);
} else if (SimpleJndiName.class.equals(type)) {
return (T) SimpleJndiName.of(string);
} else if (Class.class.equals(type)) {
return (T) Class.forName(string, true, Thread.currentThread().getContextClassLoader());
} else if (type != null && type.isEnum()) {
return (T) Enum.valueOf((Class) type, string);
}
} catch (Throwable t) {
throw new IllegalArgumentException(
localStrings.getLocalString("enterprise.deployment.exceptioncouldnotcreateinstancetype",
"Could not create instance of {0} from {1}\n reason: {2}" + t, new Object[] {type, string, t}));
}
throw new IllegalArgumentException(
localStrings.getLocalString("enterprise.deployment.exceptionillegaltypeenvproperty",
"Illegal type for environment properties: {0}", new Object[] {type}));
}
/**
* @return parsed primitive or String
*/
private T getParsedPrimitiveValue(String string, Class type) throws IllegalArgumentException {
if (type == null) {
throw new NullPointerException("type must not be null! String value was " + string);
}
if (type.equals(int.class)) {
return (T) Integer.valueOf(string);
} else if (type.equals(long.class)) {
return (T) Long.valueOf(string);
} else if (type.equals(short.class)) {
return (T) Short.valueOf(string);
} else if (type.equals(boolean.class)) {
return (T) Boolean.valueOf(string);
} else if (type.equals(float.class)) {
return (T) Float.valueOf(string);
} else if (type.equals(double.class)) {
return (T) Double.valueOf(string);
} else if (type.equals(byte.class)) {
return (T) Byte.valueOf(string);
} else if (type.equals(char.class)) {
if (string.length() == 1) {
return (T) Character.valueOf(string.charAt(0));
}
throw new IllegalArgumentException(type + ": " + string);
}
return null;
}
public boolean isConflict(EnvironmentProperty other) {
return getName().equals(other.getName())
&& (!(DOLUtils.equals(getType(), other.getType()) && getValue().equals(other.getValue()))
|| isConflictResourceGroup(other));
}
protected boolean isConflictResourceGroup(EnvironmentProperty other) {
return !getLookupName().equals(other.getLookupName()) || !getMappedName().equals(other.getMappedName());
}
@Override
public void addInjectionTarget(InjectionTarget target) {
if (injectionTargets==null) {
injectionTargets = new HashSet<>();
}
for (InjectionTarget injTarget : injectionTargets) {
if (injTarget.equals(target)) {
return;
}
}
injectionTargets.add(target);
}
@Override
public Set getInjectionTargets() {
return injectionTargets == null ? new HashSet<>() : injectionTargets;
}
@Override
public boolean isInjectable() {
return injectionTargets != null && !injectionTargets.isEmpty();
}
public boolean hasInjectionTargetFromXml() {
if (injectionTargets != null) {
for (InjectionTarget injTarget: injectionTargets) {
if (MetadataSource.XML == injTarget.getMetadataSource()) {
return true;
}
}
}
return false;
}
@Override
public final SimpleJndiName getComponentEnvName() {
return new SimpleJndiName(getName());
}
@Override
public String getInjectResourceType() {
return type;
}
@Override
public void setInjectResourceType(String resourceType) {
type = convertPrimitiveTypes(resourceType);
}
private StringBuffer printInjectableResourceInfo(StringBuffer toStringBuffer) {
toStringBuffer.append(", injectableTargets={");
if (isInjectable()) {
boolean first = true;
for (InjectionTarget target : getInjectionTargets()) {
if (first) {
first = false;
} else {
toStringBuffer.append(", ");
}
toStringBuffer.append(target.getClassName()).append('.');
if (target.isFieldInjectable()) {
toStringBuffer.append(target.getFieldName());
} else {
toStringBuffer.append(target.getMethodName()).append("(...)");
}
}
}
return toStringBuffer.append('}');
}
}
