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/*
* Copyright (C) 2010 The Android Open Source Project
*
* 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.android.cts.apicoverage;
import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
import org.xml.sax.helpers.DefaultHandler;
import java.util.ArrayList;
import java.util.List;
/**
* {@link DefaultHandler} that builds an empty {@link ApiCoverage} object from scanning current.xml.
*/
class CurrentXmlHandler extends DefaultHandler {
private String mCurrentPackageName;
private String mCurrentClassName;
private boolean mIgnoreCurrentClass;
private String mCurrentMethodName;
private String mCurrentMethodReturnType;
private boolean mCurrentMethodIsAbstract;
private String mCurrentMethodVisibility;
private boolean mCurrentMethodStaticMethod;
private boolean mCurrentMethodFinalMethod;
private boolean mDeprecated;
private List<String> mCurrentParameterTypes = new ArrayList<String>();
private ApiCoverage mApiCoverage = new ApiCoverage();
public ApiCoverage getApi() {
return mApiCoverage;
}
@Override
public void startElement(String uri, String localName, String name, Attributes attributes)
throws SAXException {
super.startElement(uri, localName, name, attributes);
if ("package".equalsIgnoreCase(localName)) {
mCurrentPackageName = getValue(attributes, "name");
ApiPackage apiPackage = new ApiPackage(mCurrentPackageName);
mApiCoverage.addPackage(apiPackage);
} else if ("class".equalsIgnoreCase(localName)) {
if (isEnum(attributes)) {
mIgnoreCurrentClass = true;
return;
}
mIgnoreCurrentClass = false;
mCurrentClassName = getValue(attributes, "name");
mDeprecated = isDeprecated(attributes);
String superClass = attributes.getValue("extends");
ApiClass apiClass = new ApiClass(
mCurrentClassName, mDeprecated, is(attributes, "abstract"), superClass);
ApiPackage apiPackage = mApiCoverage.getPackage(mCurrentPackageName);
apiPackage.addClass(apiClass);
} else if ("interface".equalsIgnoreCase(localName)) {
// don't add interface
mIgnoreCurrentClass = true;
} else if ("constructor".equalsIgnoreCase(localName)) {
mDeprecated = isDeprecated(attributes);
mCurrentParameterTypes.clear();
} else if ("method".equalsIgnoreCase(localName)) {
mDeprecated = isDeprecated(attributes);
mCurrentMethodName = getValue(attributes, "name");
mCurrentMethodReturnType = getValue(attributes, "return");
mCurrentMethodIsAbstract = is(attributes, "abstract");
mCurrentMethodVisibility = getValue(attributes, "visibility");
mCurrentMethodStaticMethod = is(attributes, "static");
mCurrentMethodFinalMethod = is(attributes, "final");
mCurrentParameterTypes.clear();
} else if ("parameter".equalsIgnoreCase(localName)) {
mCurrentParameterTypes.add(getValue(attributes, "type"));
}
}
@Override
public void endElement(String uri, String localName, String name) throws SAXException {
super.endElement(uri, localName, name);
if (mIgnoreCurrentClass) {
// do not add anything for interface
return;
}
if ("constructor".equalsIgnoreCase(localName)) {
if (mCurrentParameterTypes.isEmpty()) {
// Don't add empty default constructors...
return;
}
ApiConstructor apiConstructor = new ApiConstructor(mCurrentClassName,
mCurrentParameterTypes, mDeprecated);
ApiPackage apiPackage = mApiCoverage.getPackage(mCurrentPackageName);
ApiClass apiClass = apiPackage.getClass(mCurrentClassName);
apiClass.addConstructor(apiConstructor);
} else if ("method".equalsIgnoreCase(localName)) {
ApiMethod apiMethod = new ApiMethod(
mCurrentMethodName,
mCurrentParameterTypes,
mCurrentMethodReturnType,
mDeprecated,
mCurrentMethodVisibility,
mCurrentMethodStaticMethod,
mCurrentMethodFinalMethod,
mCurrentMethodIsAbstract);
ApiPackage apiPackage = mApiCoverage.getPackage(mCurrentPackageName);
ApiClass apiClass = apiPackage.getClass(mCurrentClassName);
apiClass.addMethod(apiMethod);
}
}
static String getValue(Attributes attributes, String key) {
// Strip away generics <...> and make inner classes always use a "." rather than "$".
return attributes.getValue(key)
.replaceAll("<.+>", "")
.replace("$", ".");
}
private boolean isDeprecated(Attributes attributes) {
return "deprecated".equals(attributes.getValue("deprecated"));
}
private static boolean is(Attributes attributes, String valueName) {
return "true".equals(attributes.getValue(valueName));
}
private boolean isEnum(Attributes attributes) {
return "java.lang.Enum".equals(attributes.getValue("extends"));
}
}
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