| /* |
| * Copyright (C) 2015 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.ahat; |
| |
| import com.android.ahat.heapdump.AhatSnapshot; |
| import com.android.tools.perflib.heap.ProguardMap; |
| import com.android.tools.perflib.heap.hprof.Hprof; |
| import com.android.tools.perflib.heap.hprof.HprofRecord; |
| import com.android.tools.perflib.heap.hprof.HprofStringBuilder; |
| import com.android.tools.perflib.heap.io.InMemoryBuffer; |
| import java.io.ByteArrayOutputStream; |
| import java.io.IOException; |
| import java.util.ArrayList; |
| import java.util.Date; |
| import java.util.List; |
| |
| /** |
| * Class with utilities to help constructing snapshots for tests. |
| */ |
| public class SnapshotBuilder { |
| |
| // Helper function to make a snapshot with id size 4 given an |
| // HprofStringBuilder and list of HprofRecords |
| public static AhatSnapshot makeSnapshot(HprofStringBuilder strings, List<HprofRecord> records) |
| throws IOException { |
| // TODO: When perflib can handle the case where strings are referred to |
| // before they are defined, just add the string records to the records |
| // list. |
| List<HprofRecord> actualRecords = new ArrayList<HprofRecord>(); |
| actualRecords.addAll(strings.getStringRecords()); |
| actualRecords.addAll(records); |
| |
| Hprof hprof = new Hprof("JAVA PROFILE 1.0.3", 4, new Date(), actualRecords); |
| ByteArrayOutputStream os = new ByteArrayOutputStream(); |
| hprof.write(os); |
| InMemoryBuffer buffer = new InMemoryBuffer(os.toByteArray()); |
| return AhatSnapshot.fromDataBuffer(buffer, new ProguardMap()); |
| } |
| } |