IdentifierExpr.java revision 59229481aec5a284d322a2ca80dff836485feb0c
1/* 2 * Copyright (C) 2015 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package android.databinding.tool.expr; 18 19import android.databinding.tool.processing.ErrorMessages; 20import android.databinding.tool.reflection.ModelAnalyzer; 21import android.databinding.tool.reflection.ModelClass; 22import android.databinding.tool.util.Preconditions; 23import android.databinding.tool.writer.KCode; 24import android.databinding.tool.writer.LayoutBinderWriterKt; 25 26import java.util.ArrayList; 27import java.util.List; 28 29public class IdentifierExpr extends Expr { 30 String mName; 31 String mUserDefinedType; 32 private boolean mIsDeclared; 33 34 IdentifierExpr(String name) { 35 mName = name; 36 } 37 38 public String getName() { 39 return mName; 40 } 41 42 /** 43 * If this is root, its type should be set while parsing the XML document 44 * @param userDefinedType The type of this identifier 45 */ 46 public void setUserDefinedType(String userDefinedType) { 47 mUserDefinedType = userDefinedType; 48 } 49 50 @Override 51 protected String computeUniqueKey() { 52 return join(mName, super.computeUniqueKey()); 53 } 54 55 public String getUserDefinedType() { 56 return mUserDefinedType; 57 } 58 59 @Override 60 public boolean isDynamic() { 61 return true; 62 } 63 64 @Override 65 protected ModelClass resolveType(final ModelAnalyzer modelAnalyzer) { 66 Preconditions.checkNotNull(mUserDefinedType, ErrorMessages.UNDEFINED_VARIABLE, mName); 67 return modelAnalyzer.findClass(mUserDefinedType, getModel().getImports()); 68 } 69 70 @Override 71 protected List<Dependency> constructDependencies() { 72 return new ArrayList<Dependency>(); 73 } 74 75 @Override 76 protected String asPackage() { 77 return mUserDefinedType == null ? mName : null; 78 } 79 80 @Override 81 protected KCode generateCode() { 82 return new KCode(LayoutBinderWriterKt.getExecutePendingLocalName(this)); 83 } 84 85 public void setDeclared() { 86 mIsDeclared = true; 87 } 88 89 public boolean isDeclared() { 90 return mIsDeclared; 91 } 92} 93