| /* |
| * Copyright 2009 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.user.rebind.rpc; |
| |
| import com.google.gwt.core.ext.BadPropertyValueException; |
| import com.google.gwt.core.ext.ConfigurationProperty; |
| import com.google.gwt.core.ext.PropertyOracle; |
| 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.core.ext.typeinfo.JRealClassType; |
| import com.google.gwt.util.regexfilter.RegexFilter; |
| |
| import java.util.List; |
| |
| class BlacklistTypeFilter implements TypeFilter { |
| private static String PROP_RPC_BLACKLIST = "rpc.blacklist"; |
| |
| /** |
| * Configure {@link RegexFilter} for use for RPC blacklists. |
| */ |
| private static class RpcBlacklist extends RegexFilter { |
| public RpcBlacklist(TreeLogger logger, List<String> regexes) |
| throws UnableToCompleteException { |
| super(logger, regexes); |
| } |
| |
| @Override |
| protected boolean acceptByDefault() { |
| return true; |
| } |
| |
| @Override |
| protected boolean entriesArePositiveByDefault() { |
| return false; |
| } |
| } |
| |
| private final RpcBlacklist blacklist; |
| private TreeLogger logger; |
| |
| public BlacklistTypeFilter(TreeLogger logger, PropertyOracle propertyOracle) |
| throws UnableToCompleteException { |
| ConfigurationProperty prop; |
| try { |
| prop = propertyOracle.getConfigurationProperty(PROP_RPC_BLACKLIST); |
| } catch (BadPropertyValueException e) { |
| logger.log(TreeLogger.ERROR, "Could not find property " |
| + PROP_RPC_BLACKLIST); |
| throw new UnableToCompleteException(); |
| } |
| |
| this.logger = logger.branch(TreeLogger.DEBUG, |
| "Analyzing RPC blacklist information"); |
| blacklist = new RpcBlacklist(logger, prop.getValues()); |
| } |
| |
| public String getName() { |
| return "BlacklistTypeFilter"; |
| } |
| |
| public boolean isAllowed(JClassType type) { |
| String name = getBaseTypeName(type); |
| // For types not handled by getBaseTypeName just return true. |
| if (name == null) { |
| return true; |
| } |
| |
| return blacklist.isIncluded(logger, name); |
| } |
| |
| /** |
| * Returns a simple qualified name for simple types, including classes and |
| * interfaces, parameterized, and raw types. Null is returned for other types |
| * such as arrays and type parameters (e.g., 'E' in java.util.List<E>) because |
| * filtering is meaningless for such types. |
| */ |
| private String getBaseTypeName(JClassType type) { |
| JClassType baseType = null; |
| |
| if (type instanceof JRealClassType) { |
| baseType = type; |
| } else if (type.isParameterized() != null) { |
| baseType = type.isParameterized().getBaseType(); |
| } else if (type.isRawType() != null) { |
| baseType = type.isRawType(); |
| } |
| |
| return baseType == null ? null : baseType.getQualifiedSourceName(); |
| } |
| } |