对于读取到缓冲区的任何输入流,有两种方法。有人能帮助我了解哪种方法更好,为什么?在哪种情况下,我们应该使用每种方法?将输入流读取到缓冲区的最佳方法
- 逐行读取并将其附加到缓冲区。
例如:
public String fileToBuffer(InputStream is, StringBuffer strBuffer) throws IOException{
StringBuffer buffer = strBuffer;
InputStreamReader isr = null;
try {
isr = new InputStreamReader(is);
BufferedReader br = new BufferedReader(isr);
String line = null;
while ((line = br.readLine()) != null) {
buffer.append(line + "\n");
}
} finally {
if (is != null) {
is.close();
}
if (isr != null) {
isr.close();
}
}
return buffer.toString();
}
- 读高达缓冲区大小即1024个字节的字符数组。
如:
InputStreamReader isr = new InputStreamReader(is);
final int bufferSize = 1024;
char[] buffer = new char[bufferSize];
StringBuffer strBuffer = new StringBuffer();
/* read the base script into string buffer */
try {
while (true) {
int read = isr.read(buffer, 0, bufferSize);
if (read == -1) {
break;
}
strBuffer.append(buffer, 0, read);
}
} catch (IOException e) {
}
+1显示java 7的try子句:) – Sikorski
想一想为什么? – EJP
您提供了一个单字节缓冲区版本作为*改进*? –