1 /* 2 * Copyright (C) 2010 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 com.android.email.mail.store.imap; 18 19 import com.android.email.FixedLengthInputStream; 20 import com.android.emailcommon.Logging; 21 import com.android.emailcommon.utility.Utility; 22 import com.android.mail.utils.LogUtils; 23 24 import java.io.ByteArrayInputStream; 25 import java.io.IOException; 26 import java.io.InputStream; 27 28 /** 29 * Subclass of {@link ImapString} used for literals backed by an in-memory byte array. 30 */ 31 public class ImapMemoryLiteral extends ImapString { 32 private byte[] mData; 33 34 /* package */ ImapMemoryLiteral(FixedLengthInputStream in) throws IOException { 35 // We could use ByteArrayOutputStream and IOUtils.copy, but it'd perform an unnecessary 36 // copy.... 37 mData = new byte[in.getLength()]; 38 int pos = 0; 39 while (pos < mData.length) { 40 int read = in.read(mData, pos, mData.length - pos); 41 if (read < 0) { 42 break; 43 } 44 pos += read; 45 } 46 if (pos != mData.length) { 47 LogUtils.w(Logging.LOG_TAG, ""); 48 } 49 } 50 51 @Override 52 public void destroy() { 53 mData = null; 54 super.destroy(); 55 } 56 57 @Override 58 public String getString() { 59 return Utility.fromAscii(mData); 60 } 61 62 @Override 63 public InputStream getAsStream() { 64 return new ByteArrayInputStream(mData); 65 } 66 67 @Override 68 public String toString() { 69 return String.format("{%d byte literal(memory)}", mData.length); 70 } 71 } 72
