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 23 import android.util.Log; 24 25 import java.io.ByteArrayInputStream; 26 import java.io.IOException; 27 import java.io.InputStream; 28 29 /** 30 * Subclass of {@link ImapString} used for literals backed by an in-memory byte array. 31 */ 32 public class ImapMemoryLiteral extends ImapString { 33 private byte[] mData; 34 35 /* package */ ImapMemoryLiteral(FixedLengthInputStream in) throws IOException { 36 // We could use ByteArrayOutputStream and IOUtils.copy, but it'd perform an unnecessary 37 // copy.... 38 mData = new byte[in.getLength()]; 39 int pos = 0; 40 while (pos < mData.length) { 41 int read = in.read(mData, pos, mData.length - pos); 42 if (read < 0) { 43 break; 44 } 45 pos += read; 46 } 47 if (pos != mData.length) { 48 Log.w(Logging.LOG_TAG, ""); 49 } 50 } 51 52 @Override 53 public void destroy() { 54 mData = null; 55 super.destroy(); 56 } 57 58 @Override 59 public String getString() { 60 return Utility.fromAscii(mData); 61 } 62 63 @Override 64 public InputStream getAsStream() { 65 return new ByteArrayInputStream(mData); 66 } 67 68 @Override 69 public String toString() { 70 return String.format("{%d byte literal(memory)}", mData.length); 71 } 72 } 73
