nsScriptableInputStream 编辑

« XPCOM API Reference

Summary

A component implementing nsIScriptableInputStream.

Class ID

7225c040-a9bf-11d3-a197-0050041caf44

ContractID

@mozilla.org/scriptableinputstream;1

Supported Interfaces

nsIScriptableInputStream, nsIInputStream

Remarks

This component should be accessed via the XPCOM Component Manager.

Example Code

const nsIScriptableInputStream = Components.interfaces.nsIScriptableInputStream;

function consumeStream(inputStream)
{
  var factory = Components.classes["@mozilla.org/scriptableinputstream;1"];

  var sis = factory.createInstance(nsIScriptableInputStream);
  sis.init(inputStream);

  try
  {
    while (true)
    {
      var chunk = sis.read(512);
      if (chunk.length == 0)
        break;

      // ok, chunk now contains a portion of the stream's data.
      // Do something with it!
    }
  }
  catch (e)
  {
    dump("Error: failed reading from stream:\n" + e + "\n");
  }
}

See Also

nsIScriptableInputStream