Here you can find the source of ensureNamespaceDeclared(SOAPElement elem, String namespaceURI, String prefix)
public static void ensureNamespaceDeclared(SOAPElement elem, String namespaceURI, String prefix) throws SOAPException
//package com.java2s; /*/*w w w . ja va 2 s. c o m*/ * JBoss, Home of Professional Open Source * Copyright 2005, JBoss Inc., and individual contributors as indicated * by the @authors tag. * * This is free software; you can redistribute it and/or modify it * under the terms of the JBPM BPEL PUBLIC LICENSE AGREEMENT as * published by JBoss Inc.; either version 1.0 of the License, or * (at your option) any later version. * * This software 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. */ import javax.xml.soap.SOAPElement; import javax.xml.soap.SOAPException; public class Main { public static void ensureNamespaceDeclared(SOAPElement elem, String namespaceURI, String prefix) throws SOAPException { if (prefix == null || prefix.length() == 0) { if (namespaceURI == null || namespaceURI.length() == 0) return; // do not declare the empty namespace // verify the given URI is the default namespace if (!namespaceURI.equals(elem.getNamespaceURI(""))) { // the given URI is not the default namespace, declare locally elem.addNamespaceDeclaration("", namespaceURI); } } else { if (namespaceURI == null || namespaceURI.length() == 0) throw new IllegalArgumentException("namespaceURI cannot be empty unless prefix is empty"); // verify given prefix is associated to given URI if (!namespaceURI.equals(elem.getNamespaceURI(prefix))) { // prefix is associated with other/no URI, declare locally elem.addNamespaceDeclaration(prefix, namespaceURI); } } } }