Home | History | Annotate | Download | only in apicoverage 
      1 /*
      2  * Copyright (C) 2010 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 
     17 package com.android.cts.apicoverage;
     18 
     19 import org.xml.sax.Attributes;
     20 import org.xml.sax.SAXException;
     21 import org.xml.sax.helpers.DefaultHandler;
     22 
     23 import java.util.ArrayList;
     24 import java.util.List;
     25 
     26 /**
     27  * {@link DefaultHandler} that builds an empty {@link ApiCoverage} object from scanning current.xml.
     28  */
     29 class CurrentXmlHandler extends DefaultHandler {
     30 
     31     private String mCurrentPackageName;
     32 
     33     private String mCurrentClassName;
     34 
     35     private boolean mIgnoreCurrentClass;
     36 
     37     private String mCurrentMethodName;
     38 
     39     private String mCurrentMethodReturnType;
     40 
     41     private boolean mCurrentMethodIsAbstract;
     42 
     43     private String mCurrentMethodVisibility;
     44 
     45     private boolean mCurrentMethodStaticMethod;
     46 
     47     private boolean mCurrentMethodFinalMethod;
     48 
     49     private boolean mDeprecated;
     50 
     51 
     52     private List<String> mCurrentParameterTypes = new ArrayList<String>();
     53 
     54     private ApiCoverage mApiCoverage = new ApiCoverage();
     55 
     56     public ApiCoverage getApi() {
     57         return mApiCoverage;
     58     }
     59 
     60     @Override
     61     public void startElement(String uri, String localName, String name, Attributes attributes)
     62             throws SAXException {
     63         super.startElement(uri, localName, name, attributes);
     64         if ("package".equalsIgnoreCase(localName)) {
     65             mCurrentPackageName = getValue(attributes, "name");
     66 
     67             ApiPackage apiPackage = new ApiPackage(mCurrentPackageName);
     68             mApiCoverage.addPackage(apiPackage);
     69 
     70         } else if ("class".equalsIgnoreCase(localName)) {
     71             if (isEnum(attributes)) {
     72                 mIgnoreCurrentClass = true;
     73                 return;
     74             }
     75             mIgnoreCurrentClass = false;
     76             mCurrentClassName = getValue(attributes, "name");
     77             mDeprecated = isDeprecated(attributes);
     78             String superClass = attributes.getValue("extends");
     79             ApiClass apiClass = new ApiClass(
     80                     mCurrentClassName, mDeprecated, is(attributes, "abstract"), superClass);
     81             ApiPackage apiPackage = mApiCoverage.getPackage(mCurrentPackageName);
     82             apiPackage.addClass(apiClass);
     83         } else if ("interface".equalsIgnoreCase(localName)) {
     84             // don't add interface
     85             mIgnoreCurrentClass = true;
     86         } else if ("constructor".equalsIgnoreCase(localName)) {
     87             mDeprecated = isDeprecated(attributes);
     88             mCurrentParameterTypes.clear();
     89         }  else if ("method".equalsIgnoreCase(localName)) {
     90             mDeprecated = isDeprecated(attributes);
     91             mCurrentMethodName = getValue(attributes, "name");
     92             mCurrentMethodReturnType = getValue(attributes, "return");
     93             mCurrentMethodIsAbstract = is(attributes, "abstract");
     94             mCurrentMethodVisibility = getValue(attributes, "visibility");
     95             mCurrentMethodStaticMethod = is(attributes, "static");
     96             mCurrentMethodFinalMethod = is(attributes, "final");
     97             mCurrentParameterTypes.clear();
     98         } else if ("parameter".equalsIgnoreCase(localName)) {
     99             mCurrentParameterTypes.add(getValue(attributes, "type"));
    100         }
    101     }
    102 
    103     @Override
    104     public void endElement(String uri, String localName, String name) throws SAXException {
    105         super.endElement(uri, localName, name);
    106         if (mIgnoreCurrentClass) {
    107             // do not add anything for interface
    108             return;
    109         }
    110         if ("constructor".equalsIgnoreCase(localName)) {
    111             if (mCurrentParameterTypes.isEmpty()) {
    112                 // Don't add empty default constructors...
    113                 return;
    114             }
    115             ApiConstructor apiConstructor = new ApiConstructor(mCurrentClassName,
    116                     mCurrentParameterTypes, mDeprecated);
    117             ApiPackage apiPackage = mApiCoverage.getPackage(mCurrentPackageName);
    118             ApiClass apiClass = apiPackage.getClass(mCurrentClassName);
    119             apiClass.addConstructor(apiConstructor);
    120         }  else if ("method".equalsIgnoreCase(localName)) {
    121             ApiMethod apiMethod = new ApiMethod(
    122                     mCurrentMethodName,
    123                     mCurrentParameterTypes,
    124                     mCurrentMethodReturnType,
    125                     mDeprecated,
    126                     mCurrentMethodVisibility,
    127                     mCurrentMethodStaticMethod,
    128                     mCurrentMethodFinalMethod,
    129                     mCurrentMethodIsAbstract);
    130             ApiPackage apiPackage = mApiCoverage.getPackage(mCurrentPackageName);
    131             ApiClass apiClass = apiPackage.getClass(mCurrentClassName);
    132             apiClass.addMethod(apiMethod);
    133         }
    134     }
    135 
    136     static String getValue(Attributes attributes, String key) {
    137         // Strip away generics <...> and make inner classes always use a "." rather than "$".
    138         return attributes.getValue(key)
    139                 .replaceAll("<.+>", "")
    140                 .replace("$", ".");
    141     }
    142 
    143     private boolean isDeprecated(Attributes attributes) {
    144         return "deprecated".equals(attributes.getValue("deprecated"));
    145     }
    146 
    147     private static boolean is(Attributes attributes, String valueName) {
    148         return "true".equals(attributes.getValue(valueName));
    149     }
    150 
    151     private boolean isEnum(Attributes attributes) {
    152         return "java.lang.Enum".equals(attributes.getValue("extends"));
    153     }
    154 }