| /* |
| * Copyright (C) 2011 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.loganalysis.parser; |
| |
| import com.android.loganalysis.item.MemInfoItem; |
| import com.android.loganalysis.util.ArrayUtil; |
| |
| import java.util.List; |
| import java.util.regex.Matcher; |
| import java.util.regex.Pattern; |
| |
| /** |
| * A {@link IParser} to handle the output from {@code /proc/meminfo}. |
| */ |
| public class MemInfoParser implements IParser { |
| |
| /** Match a single MemoryInfo line, such as "MemFree: 65420 kB" */ |
| private static final Pattern INFO_LINE = Pattern.compile("^([^:]+):\\s+(\\d+) kB"); |
| |
| /** |
| * {@inheritDoc} |
| * |
| * @return The {@link MemInfoItem}. |
| */ |
| @Override |
| public MemInfoItem parse(List<String> lines) { |
| final String text = ArrayUtil.join("\n", lines).trim(); |
| if ("".equals(text)) { |
| return null; |
| } |
| |
| MemInfoItem item = new MemInfoItem(); |
| item.setText(text); |
| |
| for (String line : lines) { |
| Matcher m = INFO_LINE.matcher(line); |
| if (m.matches()) { |
| String key = m.group(1); |
| try { |
| Long value = Long.parseLong(m.group(2)); |
| item.put(key, value); |
| } catch (NumberFormatException e) { |
| // Ignore |
| } |
| } |
| } |
| |
| return item; |
| } |
| } |