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112 lines
3.9 KiB
Java
112 lines
3.9 KiB
Java
/**
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*
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* Copyright 2014 Florian Schmaus
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.jivesoftware.smack.packet;
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import java.util.Collections;
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import java.util.List;
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import java.util.Locale;
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import java.util.Map;
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import org.jivesoftware.smack.util.PacketUtil;
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import org.jivesoftware.smack.util.XmlStringBuilder;
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public class AbstractError {
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private final String textNamespace;
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protected final Map<String, String> descriptiveTexts;
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private final List<ExtensionElement> extensions;
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protected AbstractError(Map<String, String> descriptiveTexts) {
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this(descriptiveTexts, null);
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}
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protected AbstractError(Map<String, String> descriptiveTexts, List<ExtensionElement> extensions) {
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this(descriptiveTexts, null, extensions);
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}
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protected AbstractError(Map<String, String> descriptiveTexts, String textNamespace, List<ExtensionElement> extensions) {
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if (descriptiveTexts != null) {
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this.descriptiveTexts = descriptiveTexts;
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} else {
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this.descriptiveTexts = Collections.emptyMap();
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}
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this.textNamespace = textNamespace;
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if (extensions != null) {
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this.extensions = extensions;
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} else {
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this.extensions = Collections.emptyList();
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}
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}
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/**
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* Get the descriptive text of this SASLFailure.
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* <p>
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* Returns the descriptive text of this SASLFailure in the system default language if possible. May return null.
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* </p>
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*
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* @return the descriptive text or null.
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*/
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public String getDescriptiveText() {
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String defaultLocale = Locale.getDefault().getLanguage();
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String descriptiveText = getDescriptiveText(defaultLocale);
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if (descriptiveText == null) {
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descriptiveText = getDescriptiveText("");
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}
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return descriptiveText;
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}
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/**
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* Get the descriptive test of this SASLFailure.
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* <p>
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* Returns the descriptive text of this SASLFailure in the given language. May return null if not available.
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* </p>
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*
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* @param xmllang the language.
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* @return the descriptive text or null.
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*/
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public String getDescriptiveText(String xmllang) {
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return descriptiveTexts.get(xmllang);
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}
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/**
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* Returns the first stanza(/packet) extension that matches the specified element name and
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* namespace, or <tt>null</tt> if it doesn't exist.
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*
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* @param elementName the XML element name of the stanza(/packet) extension.
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* @param namespace the XML element namespace of the stanza(/packet) extension.
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* @return the extension, or <tt>null</tt> if it doesn't exist.
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*/
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public <PE extends ExtensionElement> PE getExtension(String elementName, String namespace) {
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return PacketUtil.extensionElementFrom(extensions, elementName, namespace);
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}
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protected void addDescriptiveTextsAndExtensions(XmlStringBuilder xml) {
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for (Map.Entry<String, String> entry : descriptiveTexts.entrySet()) {
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String xmllang = entry.getKey();
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String text = entry.getValue();
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xml.halfOpenElement("text").xmlnsAttribute(textNamespace)
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.xmllangAttribute(xmllang).rightAngleBracket();
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xml.escape(text);
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xml.closeElement("text");
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}
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for (ExtensionElement packetExtension : extensions) {
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xml.append(packetExtension.toXML());
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}
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}
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}
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