139 lines
3.8 KiB
Java
139 lines
3.8 KiB
Java
/*
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* Copyright 2016 Red Hat, Inc. and/or its affiliates
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* and other contributors as indicated by the @author tags.
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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.keycloak.theme;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.InputStreamReader;
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import java.io.Reader;
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import java.net.URL;
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import java.nio.charset.Charset;
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import java.util.Locale;
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import java.util.Properties;
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/**
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* @author <a href="mailto:sthorger@redhat.com">Stian Thorgersen</a>
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*/
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public class ClassLoaderTheme implements Theme {
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private String name;
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private String parentName;
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private String importName;
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private Type type;
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private ClassLoader classLoader;
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private String templateRoot;
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private String resourceRoot;
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private String messageRoot;
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private Properties properties;
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public ClassLoaderTheme(String name, Type type, ClassLoader classLoader) throws IOException {
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init(name, type, classLoader);
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}
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public void init(String name, Type type, ClassLoader classLoader) throws IOException {
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this.name = name;
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this.type = type;
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this.classLoader = classLoader;
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String themeRoot = "theme/" + name + "/" + type.toString().toLowerCase() + "/";
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this.templateRoot = themeRoot;
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this.resourceRoot = themeRoot + "resources/";
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this.messageRoot = themeRoot + "messages/";
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this.properties = new Properties();
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URL p = classLoader.getResource(themeRoot + "theme.properties");
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if (p != null) {
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Charset encoding = PropertiesUtil.detectEncoding(p.openStream());
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try (Reader reader = new InputStreamReader(p.openStream(), encoding)) {
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properties.load(reader);
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}
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this.parentName = properties.getProperty("parent");
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this.importName = properties.getProperty("import");
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} else {
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this.parentName = null;
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this.importName = null;
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}
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}
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@Override
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public String getName() {
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return name;
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}
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@Override
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public String getParentName() {
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return parentName;
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}
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@Override
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public String getImportName() {
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return importName;
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}
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@Override
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public Type getType() {
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return type;
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}
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@Override
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public URL getTemplate(String name) {
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return classLoader.getResource(templateRoot + name);
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}
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@Override
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public InputStream getResourceAsStream(String path) {
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return classLoader.getResourceAsStream(resourceRoot + path);
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}
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@Override
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public Properties getMessages(Locale locale) throws IOException {
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return getMessages("messages", locale);
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}
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@Override
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public Properties getMessages(String baseBundlename, Locale locale) throws IOException {
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if(locale == null){
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return null;
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}
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Properties m = new Properties();
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URL url = classLoader.getResource(this.messageRoot + baseBundlename + "_" + locale.toString() + ".properties");
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if (url != null) {
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Charset encoding = PropertiesUtil.detectEncoding(url.openStream());
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try (Reader reader = new InputStreamReader(url.openStream(), encoding)) {
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m.load(reader);
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}
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}
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return m;
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}
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@Override
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public Properties getProperties() {
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return properties;
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}
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}
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