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      1 /*
      2  * Copyright (C) 2009 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 signature.io.html;
     18 
     19 import org.antlr.stringtemplate.StringTemplate;
     20 
     21 import signature.compare.model.IApiDelta;
     22 import signature.compare.model.IPackageDelta;
     23 import signature.compare.model.impl.SigDelta;
     24 
     25 import java.util.ArrayList;
     26 import java.util.Collections;
     27 import java.util.List;
     28 import java.util.Map;
     29 
     30 public class ApiOverviewPage implements IEmitter {
     31 
     32     private final IApiDelta apiDelta;
     33 
     34     private List<IPackageDelta> removedPackages;
     35     private List<IPackageDelta> addedPackages;
     36     private List<IPackageDelta> changedPackages;
     37     private Map<String, String> commonInfos;
     38 
     39     public ApiOverviewPage(IApiDelta apiDelta,
     40             Map<String, String> commonInfos) {
     41         this.apiDelta = apiDelta;
     42         this.commonInfos = commonInfos;
     43         prepareData();
     44     }
     45 
     46     private void prepareData() {
     47         if (apiDelta.getPackageDeltas().isEmpty()) {
     48             commonInfos.put("no_delta", "no_delta");
     49         }
     50         removedPackages = new ArrayList<IPackageDelta>(SigDelta
     51                 .getRemoved(apiDelta.getPackageDeltas()));
     52         Collections.sort(removedPackages, new PackageByNameComparator());
     53 
     54         addedPackages = new ArrayList<IPackageDelta>(SigDelta.getAdded(apiDelta
     55                 .getPackageDeltas()));
     56         Collections.sort(addedPackages, new PackageByNameComparator());
     57 
     58         changedPackages = new ArrayList<IPackageDelta>(SigDelta
     59                 .getChanged(apiDelta.getPackageDeltas()));
     60         Collections.sort(changedPackages, new PackageByNameComparator());
     61     }
     62 
     63     public void writeTo(StringBuilder b) {
     64         StringTemplate template = TemplateStore
     65                 .getStringTemplate("ApiOverviewPage");
     66         template.setArgumentContext(commonInfos);
     67         template.setAttribute("removed_packages", removedPackages);
     68         template.setAttribute("added_packages", addedPackages);
     69         template.setAttribute("changed_packages", changedPackages);
     70         b.append(template.toString());
     71     }
     72 }
     73