| /* |
| * Copyright 2008 Google Inc. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); you may not |
| * use this file except in compliance with the License. You may obtain a copy of |
| * the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
| * License for the specific language governing permissions and limitations under |
| * the License. |
| */ |
| package com.google.gwt.resources.rebind.context; |
| |
| import com.google.gwt.core.ext.GeneratorContext; |
| import com.google.gwt.core.ext.TreeLogger; |
| import com.google.gwt.core.ext.UnableToCompleteException; |
| import com.google.gwt.core.ext.typeinfo.JClassType; |
| import com.google.gwt.dev.util.Util; |
| import com.google.gwt.resources.ext.ClientBundleRequirements; |
| import com.google.gwt.resources.ext.ResourceContext; |
| import com.google.gwt.resources.ext.ResourceGenerator; |
| import com.google.gwt.resources.ext.ResourceGeneratorUtil; |
| import com.google.gwt.thirdparty.guava.common.io.BaseEncoding; |
| |
| import java.io.IOException; |
| import java.net.URL; |
| |
| /** |
| * Defines base methods for ResourceContext implementations. |
| */ |
| public abstract class AbstractResourceContext implements ResourceContext { |
| /** |
| * The largest file size that will be inlined. Note that this value is taken |
| * before any encodings are applied. |
| */ |
| protected static final int MAX_INLINE_SIZE = 2 << 15; |
| |
| protected static String toBase64(byte[] data) { |
| return BaseEncoding.base64().encode(data).replaceAll("\\s+", ""); |
| } |
| |
| private final TreeLogger logger; |
| private final ClientBundleContext clientBundleCtx; |
| private final GeneratorContext context; |
| private String currentResourceGeneratorType; |
| private ClientBundleRequirements requirements = null; |
| private final JClassType resourceBundleType; |
| private String simpleSourceName; |
| |
| protected AbstractResourceContext(TreeLogger logger, |
| GeneratorContext context, JClassType resourceBundleType, |
| ClientBundleContext clientBundleCtx) { |
| this.logger = logger; |
| this.context = context; |
| this.resourceBundleType = resourceBundleType; |
| this.clientBundleCtx = clientBundleCtx; |
| } |
| |
| @Deprecated |
| public String deploy(URL resource, boolean forceExternal) |
| throws UnableToCompleteException { |
| return deploy(resource, null, forceExternal); |
| } |
| |
| public String deploy(URL resource, String mimeType, boolean forceExternal) |
| throws UnableToCompleteException { |
| String fileName = ResourceGeneratorUtil.baseName(resource); |
| byte[] bytes = Util.readURLAsBytes(resource); |
| try { |
| String finalMimeType = (mimeType != null) |
| ? mimeType : resource.openConnection().getContentType(); |
| return deploy(fileName, finalMimeType, bytes, forceExternal); |
| } catch (IOException e) { |
| getLogger().log(TreeLogger.ERROR, |
| "Unable to determine mime type of resource", e); |
| throw new UnableToCompleteException(); |
| } |
| } |
| |
| public <T> T getCachedData(String key, Class<T> clazz) { |
| return clazz.cast(clientBundleCtx.getCachedData(currentResourceGeneratorType + ":" + key)); |
| } |
| |
| public JClassType getClientBundleType() { |
| return resourceBundleType; |
| } |
| |
| public GeneratorContext getGeneratorContext() { |
| return context; |
| } |
| |
| public String getImplementationSimpleSourceName() { |
| if (simpleSourceName == null) { |
| throw new IllegalStateException( |
| "Simple source name has not yet been set."); |
| } |
| return simpleSourceName; |
| } |
| |
| public ClientBundleRequirements getRequirements() { |
| return requirements; |
| } |
| |
| public <T> boolean putCachedData(String key, T value) { |
| key = currentResourceGeneratorType + ":" + key; |
| return value != clientBundleCtx.putCachedData(key, value); |
| } |
| |
| public void setRequirements(ClientBundleRequirements requirements) { |
| this.requirements = requirements; |
| } |
| |
| protected GeneratorContext getContext() { |
| return context; |
| } |
| |
| protected TreeLogger getLogger() { |
| return logger; |
| } |
| |
| void setCurrentResourceGenerator(ResourceGenerator rg) { |
| currentResourceGeneratorType = rg.getClass().getName(); |
| } |
| |
| void setSimpleSourceName(String name) { |
| simpleSourceName = name; |
| } |
| } |