org.eclipse.jetty.util.IO Java Examples

@Override
public InputStream getInputStream()
    throws java.io.IOException
{     
    checkConnection();
    if (!_urlString.endsWith("!/"))
        return new FilterInputStream(super.getInputStream()) 
        {
            @Override
            public void close() throws IOException {this.in=IO.getClosedStream();}
        };

    URL url = new URL(_urlString.substring(4,_urlString.length()-2));      
    InputStream is = url.openStream();
    return is;
}
 

/** 
 * @param out 
 * @param start First byte to write
 * @param count Bytes to write or -1 for all of them.
 */
public void writeTo(OutputStream out,long start,long count)
    throws IOException
{
    InputStream in = getInputStream();
    try
    {
        in.skip(start);
        if (count<0)
            IO.copy(in,out);
        else
            IO.copy(in,out,count);
    }
    finally
    {
        in.close();
    }
}
 

@Override
public InputStream getInputStream()
    throws java.io.IOException
{     
    checkConnection();
    if (!_urlString.endsWith("!/"))
        return new FilterInputStream(super.getInputStream()) 
        {
            @Override
            public void close() throws IOException {this.in=IO.getClosedStream();}
        };

    URL url = new URL(_urlString.substring(4,_urlString.length()-2));      
    InputStream is = url.openStream();
    return is;
}
 

/** 
 * @param out 
 * @param start First byte to write
 * @param count Bytes to write or -1 for all of them.
 */
public void writeTo(OutputStream out,long start,long count)
    throws IOException
{
    InputStream in = getInputStream();
    try
    {
        in.skip(start);
        if (count<0)
            IO.copy(in,out);
        else
            IO.copy(in,out,count);
    }
    finally
    {
        in.close();
    }
}
 

private String getResponse(URI uri) throws IOException {
    HttpURLConnection http = (HttpURLConnection) uri.toURL().openConnection();
    assertThat("Valid Response Code",
               http.getResponseCode(),
               anyOf(is(200),
                     is(404)));

    try (InputStream in = http.getInputStream()) {
        return IO.toString(in,
                           StandardCharsets.UTF_8);
    }
}
 

@Override
public void copyTo(File destination)
    throws IOException
{
    if (isDirectory())
    {
        IO.copyDir(getFile(),destination);
    }
    else
    {
        if (destination.exists())
            throw new IllegalArgumentException(destination+" exists");
        IO.copy(getFile(),destination);
    }
}
 

@Override
public void copyTo(File destination)
    throws IOException
{
    if (isDirectory())
    {
        IO.copyDir(getFile(),destination);
    }
    else
    {
        if (destination.exists())
            throw new IllegalArgumentException(destination+" exists");
        IO.copy(getFile(),destination);
    }
}
 

public static byte[] inputStreamToBytes(InputStream input, long byteCount) throws IOException  {
	if (input == null) {
		throw new NullPointerException("parameter input is null.");
	}
	
	BufferedInputStream in = new BufferedInputStream(input);
	ByteArrayOutputStream out = new ByteArrayOutputStream();
	if (byteCount == -1) {
		IO.copy(in, out);
	} else {
		IO.copy(in, out, byteCount);
	}
	return out.toByteArray();
}
 

public Object run()
{
    /* First see if the jetty-logging.properties object exists in the classpath.
     * This is an optional feature used by embedded mode use, and test cases to allow for early
     * configuration of the Log class in situations where access to the System.properties are
     * either too late or just impossible.
     */
    URL testProps = Loader.getResource(Log.class,"jetty-logging.properties",true);
    if (testProps != null)
    {
        InputStream in = null;
        try
        {
            in = testProps.openStream();
            __props.load(in);
        }
        catch (IOException e)
        {
            System.err.println("Unable to load " + testProps);
            e.printStackTrace(System.err);
        }
        finally
        {
            IO.close(in);
        }
    }

    /* Now load the System.properties as-is into the __props, these values will override
     * any key conflicts in __props.
     */
    @SuppressWarnings("unchecked")
    Enumeration<String> systemKeyEnum = (Enumeration<String>)System.getProperties().propertyNames();
    while (systemKeyEnum.hasMoreElements())
    {
        String key = systemKeyEnum.nextElement();
        String val = System.getProperty(key);
        //protect against application code insertion of non-String values (returned as null)
        if (val != null)
            __props.setProperty(key,val);
    }

    /* Now use the configuration properties to configure the Log statics
     */
    __logClass = __props.getProperty("org.eclipse.jetty.util.log.class","org.eclipse.jetty.util.log.Slf4jLog");
    __ignored = Boolean.parseBoolean(__props.getProperty("org.eclipse.jetty.util.log.IGNORED","false"));
    return null;
}
 

public Object run()
{
    /* First see if the jetty-logging.properties object exists in the classpath.
     * This is an optional feature used by embedded mode use, and test cases to allow for early
     * configuration of the Log class in situations where access to the System.properties are
     * either too late or just impossible.
     */
    URL testProps = Loader.getResource(Log.class,"jetty-logging.properties",true);
    if (testProps != null)
    {
        InputStream in = null;
        try
        {
            in = testProps.openStream();
            __props.load(in);
        }
        catch (IOException e)
        {
            System.err.println("Unable to load " + testProps);
            e.printStackTrace(System.err);
        }
        finally
        {
            IO.close(in);
        }
    }

    /* Now load the System.properties as-is into the __props, these values will override
     * any key conflicts in __props.
     */
    @SuppressWarnings("unchecked")
    Enumeration<String> systemKeyEnum = (Enumeration<String>)System.getProperties().propertyNames();
    while (systemKeyEnum.hasMoreElements())
    {
        String key = systemKeyEnum.nextElement();
        String val = System.getProperty(key);
        //protect against application code insertion of non-String values (returned as null)
        if (val != null)
            __props.setProperty(key,val);
    }

    /* Now use the configuration properties to configure the Log statics
     */
    __logClass = __props.getProperty("org.eclipse.jetty.util.log.class","org.eclipse.jetty.util.log.Slf4jLog");
    __ignored = Boolean.parseBoolean(__props.getProperty("org.eclipse.jetty.util.log.IGNORED","false"));
    return null;
}
 

public void testEOFStreams() throws IOException {
	final InputStream closed = IO.getClosedStream();
	
	assertTrue(closed.read() == -1);
}
 

@Override
public void handle(String target, Request jettyRequest, HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException {
    jettyRequest.setHandled(true);
    response.setContentType(request.getContentType());
    IO.copy(request.getInputStream(), response.getOutputStream());
}
 

/**
 * @deprecated use {@link #parse(Reader)}
 * @param in
 *            Reader containing JSON object or array.
 * @return A Map, Object array or primitive array parsed from the JSON.
 */
@Deprecated
public static Object parse(InputStream in) throws IOException
{
    return DEFAULT.parse(new StringSource(IO.toString(in)),false);
}
 

/**
 * @deprecated use {@link #parse(Reader, boolean)}
 * @param in
 *            Stream containing JSON object or array.
 * @param stripOuterComment
 *            If true, an outer comment around the JSON is ignored.
 * @return A Map, Object array or primitive array parsed from the JSON.
 */
@Deprecated
public static Object parse(InputStream in, boolean stripOuterComment) throws IOException
{
    return DEFAULT.parse(new StringSource(IO.toString(in)),stripOuterComment);
}