diff options
author | Eric Erfanian <erfanian@google.com> | 2017-03-15 14:41:07 -0700 |
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committer | Eric Erfanian <erfanian@google.com> | 2017-03-15 16:24:23 -0700 |
commit | d5e47f6da5b08b13ecdfa7f1edc7e12aeb83fab9 (patch) | |
tree | b54abbb51fb7d66e7755a1fbb5db023ff601090b /java/com/android/voicemail/impl/mail/internet/MimeHeader.java | |
parent | 30436e7e6d3f2c8755a91b2b6222b74d465a9e87 (diff) |
Update Dialer source from latest green build.
* Refactor voicemail component
* Add new enriched calling components
Test: treehugger, manual aosp testing
Change-Id: I521a0f86327d4b42e14d93927c7d613044ed5942
Diffstat (limited to 'java/com/android/voicemail/impl/mail/internet/MimeHeader.java')
-rw-r--r-- | java/com/android/voicemail/impl/mail/internet/MimeHeader.java | 158 |
1 files changed, 158 insertions, 0 deletions
diff --git a/java/com/android/voicemail/impl/mail/internet/MimeHeader.java b/java/com/android/voicemail/impl/mail/internet/MimeHeader.java new file mode 100644 index 000000000..d41cdb3e4 --- /dev/null +++ b/java/com/android/voicemail/impl/mail/internet/MimeHeader.java @@ -0,0 +1,158 @@ +/* + * 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.voicemail.impl.mail.internet; + +import com.android.voicemail.impl.mail.MessagingException; +import java.io.BufferedWriter; +import java.io.IOException; +import java.io.OutputStream; +import java.io.OutputStreamWriter; +import java.util.ArrayList; + +public class MimeHeader { + /** + * Application specific header that contains Store specific information about an attachment. In + * IMAP this contains the IMAP BODYSTRUCTURE part id so that the ImapStore can later retrieve the + * attachment at will from the server. The info is recorded from this header on + * LocalStore.appendMessage and is put back into the MIME data by LocalStore.fetch. + */ + public static final String HEADER_ANDROID_ATTACHMENT_STORE_DATA = + "X-Android-Attachment-StoreData"; + + public static final String HEADER_CONTENT_TYPE = "Content-Type"; + public static final String HEADER_CONTENT_TRANSFER_ENCODING = "Content-Transfer-Encoding"; + public static final String HEADER_CONTENT_DISPOSITION = "Content-Disposition"; + public static final String HEADER_CONTENT_ID = "Content-ID"; + + /** Fields that should be omitted when writing the header using writeTo() */ + private static final String[] WRITE_OMIT_FIELDS = { + // HEADER_ANDROID_ATTACHMENT_DOWNLOADED, + // HEADER_ANDROID_ATTACHMENT_ID, + HEADER_ANDROID_ATTACHMENT_STORE_DATA + }; + + protected final ArrayList<Field> mFields = new ArrayList<Field>(); + + public void clear() { + mFields.clear(); + } + + public String getFirstHeader(String name) throws MessagingException { + String[] header = getHeader(name); + if (header == null) { + return null; + } + return header[0]; + } + + public void addHeader(String name, String value) throws MessagingException { + mFields.add(new Field(name, value)); + } + + public void setHeader(String name, String value) throws MessagingException { + if (name == null || value == null) { + return; + } + removeHeader(name); + addHeader(name, value); + } + + public String[] getHeader(String name) throws MessagingException { + ArrayList<String> values = new ArrayList<String>(); + for (Field field : mFields) { + if (field.name.equalsIgnoreCase(name)) { + values.add(field.value); + } + } + if (values.size() == 0) { + return null; + } + return values.toArray(new String[] {}); + } + + public void removeHeader(String name) throws MessagingException { + ArrayList<Field> removeFields = new ArrayList<Field>(); + for (Field field : mFields) { + if (field.name.equalsIgnoreCase(name)) { + removeFields.add(field); + } + } + mFields.removeAll(removeFields); + } + + /** + * Write header into String + * + * @return CR-NL separated header string except the headers in writeOmitFields null if header is + * empty + */ + public String writeToString() { + if (mFields.size() == 0) { + return null; + } + StringBuilder builder = new StringBuilder(); + for (Field field : mFields) { + if (!arrayContains(WRITE_OMIT_FIELDS, field.name)) { + builder.append(field.name + ": " + field.value + "\r\n"); + } + } + return builder.toString(); + } + + public void writeTo(OutputStream out) throws IOException, MessagingException { + BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(out), 1024); + for (Field field : mFields) { + if (!arrayContains(WRITE_OMIT_FIELDS, field.name)) { + writer.write(field.name + ": " + field.value + "\r\n"); + } + } + writer.flush(); + } + + private static class Field { + final String name; + final String value; + + public Field(String name, String value) { + this.name = name; + this.value = value; + } + + @Override + public String toString() { + return name + "=" + value; + } + } + + @Override + public String toString() { + return (mFields == null) ? null : mFields.toString(); + } + + public static final boolean arrayContains(Object[] a, Object o) { + int index = arrayIndex(a, o); + return (index >= 0); + } + + public static final int arrayIndex(Object[] a, Object o) { + for (int i = 0, count = a.length; i < count; i++) { + if (a[i].equals(o)) { + return i; + } + } + return -1; + } +} |