98 lines
2.8 KiB
Java
Executable file
98 lines
2.8 KiB
Java
Executable file
/*
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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.File;
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import java.io.FileFilter;
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import java.io.IOException;
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import java.util.Collections;
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import java.util.HashSet;
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import java.util.Set;
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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 FolderThemeProvider implements ThemeProvider {
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private File themesDir;
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public FolderThemeProvider(File themesDir) {
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this.themesDir = themesDir;
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}
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@Override
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public int getProviderPriority() {
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return 100;
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}
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@Override
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public Theme getTheme(String name, Theme.Type type) throws IOException {
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if (themesDir == null) {
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return null;
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}
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File themeDir = getThemeDir(name, type);
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return themeDir.isDirectory() ? new FolderTheme(themeDir, name, type) : null;
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}
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@Override
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public Set<String> nameSet(Theme.Type type) {
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if (themesDir == null) {
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return Collections.emptySet();
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}
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final String typeName = type.name().toLowerCase();
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File[] themeDirs = themesDir.listFiles(new FileFilter() {
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@Override
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public boolean accept(File pathname) {
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return pathname.isDirectory() && new File(pathname, typeName).isDirectory();
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}
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});
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if (themeDirs != null) {
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Set<String> names = new HashSet<String>();
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for (File themeDir : themeDirs) {
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names.add(themeDir.getName());
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}
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return names;
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} else {
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return Collections.emptySet();
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}
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}
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@Override
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public boolean hasTheme(String name, Theme.Type type) {
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return themesDir != null ? getThemeDir(name, type).isDirectory() : false;
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}
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@Override
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public void close() {
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}
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private File getThemeDir(String name, Theme.Type type) {
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File f = new File(themesDir, name + File.separator + type.name().toLowerCase());
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try {
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if (!f.getCanonicalPath().startsWith(themesDir.getCanonicalPath() + File.separator)) {
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return null;
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}
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} catch (IOException e) {
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return null;
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}
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return f;
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}
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}
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