original

[gb-231r1-is01/GB_2.3_IS01.git] / cts / tools / signature-tools / src / signature / io / html / HtmlDeltaExternalizer.java

diff --git a/cts/tools/signature-tools/src/signature/io/html/HtmlDeltaExternalizer.java b/cts/tools/signature-tools/src/signature/io/html/HtmlDeltaExternalizer.java
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index 0000000..1ba5cba
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+++ b/cts/tools/signature-tools/src/signature/io/html/HtmlDeltaExternalizer.java
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+/*
+ * Copyright (C) 2009 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 signature.io.html;
+
+import org.antlr.stringtemplate.StringTemplate;
+
+import signature.Version;
+import signature.compare.model.IApiDelta;
+import signature.compare.model.IClassDefinitionDelta;
+import signature.compare.model.IDelta;
+import signature.compare.model.IPackageDelta;
+import signature.compare.model.impl.SigDelta;
+import signature.io.IApiDeltaExternalizer;
+import signature.model.IClassDefinition;
+import signature.model.IPackage;
+
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.text.DateFormat;
+import java.util.Date;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Set;
+
+public class HtmlDeltaExternalizer implements IApiDeltaExternalizer {
+
+    private static final String OVERVIEW_PAGE_NAME = "changes.html";
+    private static final String STYLE_SHEET_NAME = "styles.css";
+    private static final String DELTA_FOLDER = "changes" + File.separator;
+
+    public void externalize(String location, IApiDelta apiDelta)
+            throws IOException {
+        if (!location.endsWith(File.separator)) {
+            location += File.separator;
+        }
+
+        File directory = new File(location);
+        if (!directory.exists()) {
+            directory.mkdirs();
+        }
+
+        copyStyleSheet(location);
+
+        Map<String, String> commonInfos = new HashMap<String, String>();
+        commonInfos.put("creation_time", DateFormat.getDateTimeInstance()
+                .format(new Date()));
+        commonInfos.put("from_desc", apiDelta.getFrom().getName());
+        commonInfos.put("to_desc", apiDelta.getTo().getName());
+
+        // write overview page
+        StringBuilder content = new StringBuilder();
+        ApiOverviewPage apiOverviewPage = new ApiOverviewPage(apiDelta,
+                commonInfos);
+        apiOverviewPage.writeTo(content);
+        writeToFile(location + OVERVIEW_PAGE_NAME, content.toString());
+
+        // write package overview
+        Set<IPackageDelta> changedPackages = SigDelta.getChanged(apiDelta
+                .getPackageDeltas());
+        if (!changedPackages.isEmpty()) {
+
+            File file = new File(location + DELTA_FOLDER);
+            if (!file.exists()) {
+                file.mkdir();
+            }
+
+            for (IPackageDelta packageDelta : changedPackages) {
+                content = new StringBuilder();
+                PackageOverviewPage packagePage = new PackageOverviewPage(
+                        packageDelta, commonInfos);
+                packagePage.writeTo(content);
+                IPackage aPackage = getAnElement(packageDelta);
+                String packageOverviewFileName = location + DELTA_FOLDER
+                        + "pkg_" + aPackage.getName() + ".html";
+                writeToFile(packageOverviewFileName, content.toString());
+
+                // write class overviews
+                for (IClassDefinitionDelta classDelta : packageDelta
+                        .getClassDeltas()) {
+                    content = new StringBuilder();
+                    ClassOverviewPage classPage = new ClassOverviewPage(
+                            classDelta, commonInfos);
+                    classPage.writeTo(content);
+                    IClassDefinition aClass = getAnElement(classDelta);
+                    String classOverviewFileName = location + DELTA_FOLDER
+                            + aPackage.getName() + "." + aClass.getName()
+                            + ".html";
+                    writeToFile(classOverviewFileName, content.toString());
+                }
+            }
+        }
+        // write class overview
+    }
+
+    private static <T> T getAnElement(IDelta<T> delta) {
+        if (delta.getFrom() != null) {
+            return delta.getFrom();
+        } else {
+            return delta.getTo();
+        }
+    }
+
+    private void copyStyleSheet(String directory) throws IOException {
+        StringTemplate template = TemplateStore.getStringTemplate("Styles");
+        template.setAttribute("version", Version.VERSION);
+        writeToFile(directory + STYLE_SHEET_NAME, template.toString());
+    }
+
+    private void writeToFile(String fileName, String content)
+            throws IOException {
+        FileOutputStream fileOutputStream = new FileOutputStream(fileName);
+        fileOutputStream.write(content.getBytes());
+        fileOutputStream.flush();
+        fileOutputStream.close();
+    }
+}