/**
* Copyright Microsoft Corporation
*
* 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.microsoft.windowsazure.services.media.implementation;
import java.io.IOException;
import java.io.Reader;
import java.io.StringReader;
import javax.activation.DataSource;
import com.sun.mail.util.LineInputStream;
public class StatusLine {
private static final int DELIMITER = -1;
private int status;
private String reason;
public static StatusLine create(DataSource dataSource) {
try {
LineInputStream stream = new LineInputStream(
dataSource.getInputStream());
try {
String line = stream.readLine();
StringReader lineReader = new StringReader(line);
expect(lineReader, "HTTP/1.1");
expect(lineReader, " ");
String statusString = extractInput(lineReader, ' ');
String reason = extractInput(lineReader, DELIMITER);
return new StatusLine().setStatus(
Integer.parseInt(statusString)).setReason(reason);
} finally {
stream.close();
}
} catch (IOException e) {
throw new RuntimeException(e);
}
}
private static void expect(Reader reader, String string) {
try {
byte[] byteArray = string.getBytes("UTF-8");
int ch;
for (int i = 0; i < string.length(); i++) {
ch = reader.read();
if (ch != byteArray[i]) {
throw new RuntimeException(String.format(
"Expected '%s', found '%s' instead", string,
string.substring(0, i) + (char) ch));
}
}
} catch (IOException e) {
throw new RuntimeException(e);
}
}
private static String extractInput(Reader reader, int delimiter) {
try {
StringBuilder sb = new StringBuilder();
while (true) {
int ch = reader.read();
if (ch == DELIMITER || ch == delimiter) {
break;
}
sb.append((char) ch);
}
return sb.toString();
} catch (IOException e) {
throw new RuntimeException(e);
}
}
public int getStatus() {
return status;
}
public StatusLine setStatus(int status) {
this.status = status;
return this;
}
public String getReason() {
return reason;
}
public StatusLine setReason(String reason) {
this.reason = reason;
return this;
}
}