| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 freemarker.ext.beans; |
| |
| import java.util.Collections; |
| import java.util.Iterator; |
| import java.util.List; |
| |
| import freemarker.template.ObjectWrapperAndUnwrapper; |
| import freemarker.template.TemplateModel; |
| import freemarker.template.TemplateModelException; |
| |
| /** |
| * Stores the non-varargs methods for a {@link OverloadedMethods} object. |
| */ |
| class OverloadedFixArgsMethods extends OverloadedMethodsSubset { |
| |
| OverloadedFixArgsMethods(boolean bugfixed) { |
| super(bugfixed); |
| } |
| |
| @Override |
| Class[] preprocessParameterTypes(CallableMemberDescriptor memberDesc) { |
| return memberDesc.getParamTypes(); |
| } |
| |
| @Override |
| void afterWideningUnwrappingHints(Class[] paramTypes, int[] paramNumericalTypes) { |
| // Do nothing |
| } |
| |
| @Override |
| MaybeEmptyMemberAndArguments getMemberAndArguments(List tmArgs, BeansWrapper unwrapper) |
| throws TemplateModelException { |
| if (tmArgs == null) { |
| // null is treated as empty args |
| tmArgs = Collections.EMPTY_LIST; |
| } |
| final int argCount = tmArgs.size(); |
| final Class[][] unwrappingHintsByParamCount = getUnwrappingHintsByParamCount(); |
| if (unwrappingHintsByParamCount.length <= argCount) { |
| return EmptyMemberAndArguments.WRONG_NUMBER_OF_ARGUMENTS; |
| } |
| Class[] unwarppingHints = unwrappingHintsByParamCount[argCount]; |
| if (unwarppingHints == null) { |
| return EmptyMemberAndArguments.WRONG_NUMBER_OF_ARGUMENTS; |
| } |
| |
| Object[] pojoArgs = new Object[argCount]; |
| |
| int[] typeFlags = getTypeFlags(argCount); |
| if (typeFlags == ALL_ZEROS_ARRAY) { |
| typeFlags = null; |
| } |
| |
| Iterator it = tmArgs.iterator(); |
| for (int i = 0; i < argCount; ++i) { |
| Object pojo = unwrapper.tryUnwrapTo( |
| (TemplateModel) it.next(), |
| unwarppingHints[i], |
| typeFlags != null ? typeFlags[i] : 0); |
| if (pojo == ObjectWrapperAndUnwrapper.CANT_UNWRAP_TO_TARGET_CLASS) { |
| return EmptyMemberAndArguments.noCompatibleOverload(i + 1); |
| } |
| pojoArgs[i] = pojo; |
| } |
| |
| MaybeEmptyCallableMemberDescriptor maybeEmtpyMemberDesc = getMemberDescriptorForArgs(pojoArgs, false); |
| if (maybeEmtpyMemberDesc instanceof CallableMemberDescriptor) { |
| CallableMemberDescriptor memberDesc = (CallableMemberDescriptor) maybeEmtpyMemberDesc; |
| if (bugfixed) { |
| if (typeFlags != null) { |
| // Note that overloaded method selection has already accounted for overflow errors when the method |
| // was selected. So this forced conversion shouldn't cause such corruption. Except, conversion from |
| // BigDecimal is allowed to overflow for backward-compatibility. |
| forceNumberArgumentsToParameterTypes(pojoArgs, memberDesc.getParamTypes(), typeFlags); |
| } |
| } else { |
| BeansWrapper.coerceBigDecimals(memberDesc.getParamTypes(), pojoArgs); |
| } |
| return new MemberAndArguments(memberDesc, pojoArgs); |
| } else { |
| return EmptyMemberAndArguments.from((EmptyCallableMemberDescriptor) maybeEmtpyMemberDesc, pojoArgs); |
| } |
| } |
| |
| } |