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/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.apache.cxf.helpers;
import java.lang.reflect.Method;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.StringTokenizer;
import javax.xml.namespace.QName;
import org.apache.cxf.annotations.SchemaValidation.SchemaValidationType;
import org.apache.cxf.message.Message;
public final class ServiceUtils {
private ServiceUtils() {
}
/**
* A short cut method to be able to test for if Schema Validation should be enabled
* for IN or OUT without having to check BOTH and IN or OUT.
*
* @param message
* @param type
* @return
*/
public static boolean isSchemaValidationEnabled(SchemaValidationType type, Message message) {
SchemaValidationType messageType = getSchemaValidationType(message);
return messageType.equals(type)
|| ((SchemaValidationType.IN.equals(type) || SchemaValidationType.OUT.equals(type))
&& SchemaValidationType.BOTH.equals(messageType));
}
/**
* Determines the appropriate SchemaValidationType to return based on either
* a Boolean (for backwards compatibility) or the selected Schema Validation Type.
*
* Package private as the isSchemaValidationEnabled method should be used instead. Only
* visible for easier testing
*
* @param message
* @return
*/
static SchemaValidationType getSchemaValidationType(Message message) {
Object obj = message.getContextualProperty(Message.SCHEMA_VALIDATION_ENABLED);
if (obj instanceof SchemaValidationType) {
return (SchemaValidationType)obj;
} else if (obj != null) {
String value = obj.toString().toUpperCase(); // handle boolean values as well
if ("TRUE".equals(value)) {
return SchemaValidationType.BOTH;
} else if ("FALSE".equals(value)) {
return SchemaValidationType.NONE;
} else if (value.length() > 0) {
return SchemaValidationType.valueOf(value);
}
}
// fall through default value
return SchemaValidationType.NONE;
}
/**
* Generates a suitable service name from a given class. The returned name
* is the simple name of the class, i.e. without the package name.
*
* @param clazz the class.
* @return the name.
*/
public static String makeServiceNameFromClassName(Class clazz) {
String name = clazz.getName();
int last = name.lastIndexOf(".");
if (last != -1) {
name = name.substring(last + 1);
}
int inner = name.lastIndexOf("$");
if (inner != -1) {
name = name.substring(inner + 1);
}
return name;
}
public static QName makeQualifiedNameFromClass(Class clazz) {
String namespace = makeNamespaceFromClassName(clazz.getName(), "http");
String localPart = makeServiceNameFromClassName(clazz);
return new QName(namespace, localPart);
}
public static String getMethodName(Method m) {
StringBuilder sb = new StringBuilder();
sb.append(m.getDeclaringClass().getName());
sb.append('.');
sb.append(m.getName());
sb.append('(');
Class[] params = m.getParameterTypes();
for (int i = 0; i < params.length; i++) {
Class param = params[i];
sb.append(param.getName());
if (i < params.length - 1) {
sb.append(", ");
}
}
sb.append(')');
return sb.toString();
}
/**
* Generates the name of a XML namespace from a given class name and
* protocol. The returned namespace will take the form
* protocol://domain, where protocol is the
* given protocol, and domain the inversed package name of
* the given class name. For instance, if the given class name is
* org.codehaus.xfire.services.Echo, and the protocol is
* http, the resulting namespace would be
* http://services.xfire.codehaus.org.
*
* @param className the class name
* @param protocol the protocol (eg. http)
* @return the namespace
*/
public static String makeNamespaceFromClassName(String className, String protocol) {
int index = className.lastIndexOf(".");
if (index == -1) {
return protocol + "://" + "DefaultNamespace";
}
String packageName = className.substring(0, index);
StringTokenizer st = new StringTokenizer(packageName, ".");
String[] words = new String[st.countTokens()];
for (int i = 0; i < words.length; ++i) {
words[i] = st.nextToken();
}
StringBuilder sb = new StringBuilder(80);
for (int i = words.length - 1; i >= 0; --i) {
String word = words[i];
// seperate with dot
if (i != words.length - 1) {
sb.append('.');
}
sb.append(word);
}
return protocol + "://" + sb.toString() + "/";
}
/**
* Method makePackageName
*
* @param namespace
* @return
*/
public static String makePackageName(String namespace) {
String hostname = null;
String path = "";
// get the target namespace of the document
try {
URL u = new URL(namespace);
hostname = u.getHost();
path = u.getPath();
} catch (MalformedURLException e) {
if (namespace.indexOf(":") > -1) {
hostname = namespace.substring(namespace.indexOf(":") + 1);
if (hostname.indexOf("/") > -1) {
hostname = hostname.substring(0, hostname.indexOf("/"));
}
} else {
hostname = namespace;
}
}
// if we didn't file a hostname, bail
if (hostname == null) {
return null;
}
// convert illegal java identifier
hostname = hostname.replace('-', '_');
path = path.replace('-', '_');
// chomp off last forward slash in path, if necessary
if ((path.length() > 0) && (path.charAt(path.length() - 1) == '/')) {
path = path.substring(0, path.length() - 1);
}
// tokenize the hostname and reverse it
StringTokenizer st = new StringTokenizer(hostname, ".:");
String[] words = new String[st.countTokens()];
for (int i = 0; i < words.length; ++i) {
words[i] = st.nextToken();
}
StringBuilder sb = new StringBuilder(namespace.length());
for (int i = words.length - 1; i >= 0; --i) {
addWordToPackageBuffer(sb, words[i], i == words.length - 1);
}
// tokenize the path
StringTokenizer st2 = new StringTokenizer(path, "/");
while (st2.hasMoreTokens()) {
addWordToPackageBuffer(sb, st2.nextToken(), false);
}
return sb.toString();
}
/**
* Massage word into a form suitable for use in a Java package
* name. Append it to the target string buffer with a . delimiter
* iff word is not the first word in the package name.
*
* @param sb the buffer to append to
* @param word the word to append
* @param firstWord a flag indicating whether this is the first word
*/
private static void addWordToPackageBuffer(StringBuilder sb, String word, boolean firstWord) {
if (JavaUtils.isJavaKeyword(word)) {
word = JavaUtils.makeNonJavaKeyword(word);
}
// separate with dot after the first word
if (!firstWord) {
sb.append('.');
}
// prefix digits with underscores
if (Character.isDigit(word.charAt(0))) {
sb.append('_');
}
// replace periods with underscores
if (word.indexOf('.') != -1) {
char[] buf = word.toCharArray();
for (int i = 0; i < word.length(); i++) {
if (buf[i] == '.') {
buf[i] = '_';
}
}
word = new String(buf);
}
sb.append(word);
}
}
