Notes by Dr. Xi
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Created by Dr. Xi on March 21, 2013 19:47:46 Last update: March 22, 2013 12:30:27
It's normal practice to import types from an external xsd file in WSDL like this:
<wsdl:types> <xsd:schema xmlns:xsd="htt...When you use <dynamic-wsdl> and have Commons XMLSchema on the class path, Spring-WS inlines the xsd in the wsdl. But that doesn't happen when you use <static-wsdl> . You can define a SimpleXsdSchema bean to expose the xsd:
Created by Dr. Xi on March 22, 2013 12:18:39 Last update: March 22, 2013 12:18:39
This is a step-by-step guide to create a "contract-first" web service with Apache CXF. It's a lot easier than doing the same thing with Spring-WS. The project uses standard Maven directory layout. Define the data types ( src/main/resources/hello.xsd ):
<xs:schema xmlns:xs="http://www.w3.org/200...Define the service ( src/main/resources/hello.wsdl ):
<?xml version='1.1' encoding='UTF-8'?> <wsdl:de...Create pom.xml :
<project xmlns="http://maven.apache.org/POM/4....Generate jaxb bindings:
$ mvn generate-sourcesCode the web service ( src/main/java/com/example/cxfdemo/HelloPortImpl.java ):
package com.example.cxfdemo; import javax.j...Declare the CXF servlet in web.xml ( src/main/webapp/WEB-INF/web.xml ):
<?xml version="1.0" encoding="UTF-8"?> <web-app...Wire up the web service implementation ( src/main/webapp/WEB-INF/cxf-servlet.xml ):
<?xml version="1.0" encoding="UTF-8"?> <beans x...Build the WAR:
$ mvn clean packageAfter the webapp is deployed (Tomcat running on port 8080), the web service (WSDL) is available via...
Created by Dr. Xi on March 07, 2013 20:26:23 Last update: March 07, 2013 20:26:23
Create a jax-ws web service with Spring, Apache CXF and Maven. Create the pom.xml :
<project xmlns="http://maven.apache.org/POM/4.0.0"...Create the web service interface ( src/main/java/jaxws/JaxwsHello.java ):
package jaxws; import javax.jws.WebService;...Implement the web service ( src/main/java/jaxws/JaxwsHelloImpl.java ):
package jaxws; import javax.jws.WebService;...Create src/main/webapp/WEB-INF/cxf-servlet.xml :
<?xml version="1.0" encoding="UTF-8"?> <beans x...Register the CXF servlet in src/main/webapp/WEB-INF/web.xml :
<?xml version="1.0" encoding="UTF-8"?> <web-app...Build:
mvn packageThe resulting WAR file can be deployed to any servlet container (for example, Tomcat).
Created by Dr. Xi on March 01, 2013 16:09:00 Last update: March 04, 2013 12:28:23
This is probably the easiest way to create a web service in JAX-WS. There are no external dependencies other than Java EE. Assuming that you build the web service as a webapp (say jaxws-example.war), the pom.xml can be as simple as:
<project xmlns="http://maven.apache.org/POM/4.0.0"...You can implement and deploy the web service in 3 easy steps: Code the service as a POJO (annotate class to expose it as a web service)
package jaxws; import javax.jws.WebMethod; ...Declare the POJO as a servlet in WEB-INF/web.xml :
<?xml version="1.0" encoding="UTF-8"?> <web-app...Build the webapp, and deploy the resulting war:
mvn packageThe only catch is, this only works for a Java EE 5+ compliant container such as WebLogic or JBoss. It does not work for a simple servlet...
Created by Dr. Xi on October 08, 2012 11:56:29 Last update: October 08, 2012 11:56:29
This example gets the annotation attributes of of a web service client generated by JAX-WS RI. The generated web service client looks like this:
import javax.xml.ws.Service; import javax.xml.w...This is how to get the attributes for annotation @WebServiceClient :
WebServiceClient wsc = MyTestWebService.class.getA...Note that even though name , targetNamespace and wsdlLocation are attributes, you get them using a method call. Also, annotations are available at runtime only when they have RetentionPolicy.RUNTIME .
Created by Dr. Xi on August 01, 2012 11:40:19 Last update: August 01, 2012 11:40:19
Use copyfile in shutil :
$ python Python 2.7.3 (default, Apr 20 2012, 22...
Created by Dr. Xi on June 06, 2009 18:31:44 Last update: June 25, 2012 12:37:35
You can use the system call from the os module to execute an external program:
>>> import os >>> os.system(the_command_line_st...However, the path to the executable contains a space character, the system call treats the strings after the first space as arguments, causing an error. Python doc recommends the use of the subprocess module: The subprocess module provides more powerful facilities for spawning new processes and retrieving their results; using that module is preferable to using this function. For example, using wget to get the google home page:
>>> from subprocess import Popen, PIPE >>> (out...or
>>> import subprocess >>> subprocess.call(['cur...
Created by Dr. Xi on March 08, 2012 12:13:57 Last update: March 08, 2012 12:13:57
This example creates an instance of XMLGregorianCalendar and converts it to java.util.Date :
import java.util.Date; import javax.xml.datatyp...
Created by Dr. Xi on May 02, 2011 15:59:37 Last update: February 25, 2012 09:16:37
This code snippet gets the default keystore used by the Java keytool and displays the list of aliases along with the key type (certificate or private key).
import java.io.File; import java.io.FileInputSt...The default keystore used by the above code is: $HOME/.keystore .
Created by Dr. Xi on February 01, 2012 12:55:28 Last update: February 01, 2012 12:55:28
You can define environment variables in the Tomcat context.xml file like this:
<?xml version="1.0" encoding="UTF-8"?> <Context...which is equivalent to the following in web.xml :
<env-entry> <env-entry-name>varName</env-entr...In Java code, the variable can be looked up like this:
// import javax.naming.Context; // import javax...