Java StreamUtil类代码示例

import com.ibm.commons.util.io.StreamUtil; //导入依赖的package包/类
public String loadLibrary(String libName) throws InterpretException {
	String result = null;
	if (_libs.containsKey(libName)) {
		InputStream is = null;
		try {
			is = getClass().getClassLoader().getResourceAsStream(_libs.get(libName));
			result = StreamUtil.readString(is);
		} catch (IOException ex) {
			throw new InterpretException(ex);
		} finally {
			try {
				is.close();
			} catch (Exception e) {
			}
		}
	}
	return result;
}
 

import com.ibm.commons.util.io.StreamUtil; //导入依赖的package包/类
protected void createFeatureJar(final IProject project) throws Exception {
    JarOutputStream jar = null;
    InputStream is = null;
    try {
        String directory = _outputDir + "/features/"; // $NON-NLS-1$
        Utils.createDirectory(directory);

        // Create the Jar
        jar = new JarOutputStream(new FileOutputStream(directory + _projectDef.name + ".feature_" + _projectDef.version + ".jar")); // $NON-NLS-1$ $NON-NLS-2$
        JarEntry entry = new JarEntry("feature.xml"); // $NON-NLS-1$
        jar.putNextEntry(entry);

        String contents = getResourceFile(FEATURE_RES);
        is = new ByteArrayInputStream(contents.getBytes("UTF-8")); // $NON-NLS-1$
        Utils.writeJarEntry(jar, is);
    } catch (Exception e) {
        throw new Exception("Error creating Feature JAR", e); // $NLX-JdbcPluginGenerator.ErrorcreatingFeatureJar-1$
    }  finally {
        StreamUtil.close(is);
        if (jar != null) {
            jar.close();
        }
    }
}
 

import com.ibm.commons.util.io.StreamUtil; //导入依赖的package包/类
public static void copyFilesIntoProject(final IProject project, final String folder, final List<String> fileList) throws Exception {
    try {
        for (String file : fileList) {
            FileInputStream fis = new FileInputStream(file);    
            try {
                String libFile = new File(file).getName();
                IFile libFileProj = project.getFile(folder + "/" + libFile);
                libFileProj.create(fis, true, null);
            } finally {
                StreamUtil.close(fis);
            }
        }
    } catch (Exception e) {
        throw new Exception("Could not copy JARs into project", e); // $NLX-ProjectUtils.Couldnotcopyjarsintoproject-1$
    } 
}
 

import com.ibm.commons.util.io.StreamUtil; //导入依赖的package包/类
public void copyResource(String dir, String resourceName) throws IOException {
    String res = "com/ibm/xsp/eclipse/tools/resources/"+resourceName;
    InputStream is = getClass().getClassLoader().getResourceAsStream(res);
    if(is!=null) {
        try {
            File d = new File(baseDirectory,dir);
            d.mkdirs();
            int pos = resourceName.lastIndexOf('/');
            if(pos>=0) {
                resourceName = resourceName.substring(pos+1);
            }
            OutputStream os = new FileOutputStream(new File(d,resourceName));
            try {
                StreamUtil.copyStream(is,os);
            } finally {
                os.close();
            }
        } 
        finally {
            is.close();
        }
    } 
}
 

import com.ibm.commons.util.io.StreamUtil; //导入依赖的package包/类
private void copyResource(ZipInputStream zin, ZipEntry ze) throws IOException {
    String resourcePath = ze.getName(); 
    String targetFileName = StringUtil.replace(resourcePath, '/', File.separatorChar);
    File targetFile = new File(installDirectory,targetFileName);
    File targetDir = targetFile.getParentFile();
    targetDir.mkdirs();

    // Add it to the file list
    writer.write(resourcePath);
    writer.newLine();
    
    OutputStream os = new FileOutputStream(targetFile);
    try {
        StreamUtil.copyStream(zin, os);
    } finally {
        os.close();
    }
}
 

import com.ibm.commons.util.io.StreamUtil; //导入依赖的package包/类
@Override
public void flush() throws IOException {

    if (!streamOpened) {
        this.createEncoderOutputStream();
        streamOpened = true;
    }
    this.finish();
    if (!preventCache) {
        httpServletResponse.setContentLength((int)byteStreamCache.getLength());
        // And copy the entire content
        InputStream is = byteStreamCache.getInputStream();
        OutputStream out = httpServletResponse.getOutputStream();
        StreamUtil.copyStream(is, out);
        out.flush();
        byteStreamCache.clear();
    }
    outputStream.flush();
}
 

import com.ibm.commons.util.io.StreamUtil; //导入依赖的package包/类
@Override
public UsingDocument getUsingDocument(final boolean create) {
	Document doc = database_.getDocumentByID(USING_NOTE);
	if (doc != null) {
		return new UsingDocument(doc);
	} else if (create) {
		try {
			InputStream is = AboutDocument.class.getResourceAsStream("/org/openntf/domino/design/impl/dxl_helpusingdocument.xml");
			String dxl = StreamUtil.readString(is);
			is.close();
			DxlImporter importer = getAncestorSession().createDxlImporter();
			importer.setDesignImportOption(DxlImporter.DesignImportOption.REPLACE_ELSE_CREATE);
			importer.setReplicaRequiredForReplaceOrUpdate(false);
			importer.importDxl(dxl, database_);
			doc = database_.getDocumentByID(USING_NOTE);
			return new UsingDocument(doc);
		} catch (IOException e) {
			DominoUtils.handleException(e);
		}
	}
	return null;
}
 

import com.ibm.commons.util.io.StreamUtil; //导入依赖的package包/类
protected void createSiteXml() throws Exception {
    FileOutputStream fos = null;
    try {
        Utils.createDirectory(_outputDir);
        String contents = getResourceFile(SITE_RES);
        File f = new File(_outputDir, "site.xml"); // $NON-NLS-1$
        fos = new FileOutputStream(f);
        fos.write(contents.getBytes("UTF-8")); // $NON-NLS-1$
    } catch (Exception e) {
        throw new Exception("Error creating \"site.xml\"", e); // $NLX-JdbcPluginGenerator.Errorcreatingsitexml-1$
    } finally {
        StreamUtil.close(fos);
    }
}
 

import com.ibm.commons.util.io.StreamUtil; //导入依赖的package包/类
public static void writeFile(final String name, final IContainer container, final String content) throws Exception {
    InputStream is = null;
    try {
        IFile file = container.getFile(new Path(name));
        is = new ByteArrayInputStream(content.getBytes(file.getCharset()));
        file.create(is, true, null);
    } catch (Exception e) {
        String msg = StringUtil.format("Could not create the file \"{0}\"", name); // $NLX-ProjectUtils.Couldnotcreatethefile0-1$
        throw new Exception(msg, e);
    } finally {
        StreamUtil.close(is);
    }
}
 

import com.ibm.commons.util.io.StreamUtil; //导入依赖的package包/类
public static String getFileContents(final Bundle bundle, final String resName) throws Exception {
    URL resURL = bundle.getResource(resName);
    String content;
    
    InputStream is = resURL.openStream();
    try {
        java.util.Scanner s = new java.util.Scanner(is, "UTF-8").useDelimiter("\\A"); // $NON-NLS-1$ $NON-NLS-2$
        content = s.hasNext() ? s.next() : "";
    } finally {
        StreamUtil.close(is);
    }

    return content;
}
 

import com.ibm.commons.util.io.StreamUtil; //导入依赖的package包/类
public static void writeJarEntry(final JarOutputStream jar, final InputStream is) throws Exception {
    BufferedInputStream bis = new BufferedInputStream(is);
    try {
        byte[] buf = new byte[8192];
        while (true) {
            int count = bis.read(buf);
            if (count == -1)
                break;
            jar.write(buf, 0, count);
        }
        jar.closeEntry();
    } finally {
        StreamUtil.close(bis);
    }
}
 

import com.ibm.commons.util.io.StreamUtil; //导入依赖的package包/类
public void flushStream() throws ServiceException {
    if(streamFlushed) {
        return;
    }
    streamFlushed = true;
    if(os!=null) {
        try {
            os.flush();
            if(bs!=null) {
                // Emit the GZIP header if necessary
                if(os instanceof GZIPOutputStream) {
                    ((GZIPOutputStream)os).finish();
                    httpResponse.setHeader(HEADER_CONTENT_ENCODING, ENCODING_GZIP);
                }
                
                // We have the length from the buffer
                httpResponse.setContentLength((int)bs.getLength());
                
                // And copy the entire content
                InputStream is = bs.getInputStream();
                OutputStream out = getHttpResponse().getOutputStream();
                StreamUtil.copyStream(is, out);
                out.flush();
            } else {
                // Finish the GZIP stream
                if(os instanceof GZIPOutputStream) {
                    ((GZIPOutputStream)os).finish();
                    httpResponse.setHeader(HEADER_CONTENT_ENCODING, ENCODING_GZIP);
                }
            }
        } catch(IOException ex) {
            throw new ServiceException(ex,"Error when sending data to the client"); // $NLX-HttpServiceEngine.Errorwhensendingdatatotheclient-1$
        }
    }
}
 

import com.ibm.commons.util.io.StreamUtil; //导入依赖的package包/类
public IJdbcResourceFactory loadResourceFactory(String name) throws ResourceFactoriesException {
    InputStream is = getFileContent(name);
    try {
        return loadJDBCConnection(is, name);
    } finally {
        StreamUtil.close(is);
    }
}
 

import com.ibm.commons.util.io.StreamUtil; //导入依赖的package包/类
@SuppressWarnings({ "unchecked", "rawtypes" })
public static Map<String, String> readConfig(String[][] extraConfig) {
	ClassLoader contextClassLoader = Thread.currentThread().getContextClassLoader();

	// ResourceBundle bundle = ResourceBundle.getBundle("com.ibm.xsp.test.framework.config");
	HashMap<String, String> config = new HashMap<String, String>();
	try {
		URL url = contextClassLoader.getResource("com/ibm/xsp/test/framework/config.properties");
		
		if (url != null) {
			String pathToConfig = url.getPath();
			if (StringUtil.isNotEmpty(pathToConfig)) {
				if (pathToConfig.contains("com.ibm.xsp.test.framework"))
					throw new RuntimeException("The first detected config.properties file is in the ...test.framework plugin (at "
									+ url.getPath()
									+ "). Please instead add a config.properties file in your library test project, " 
									+ "and rearrange the test project .classpath file to search in the test project first, " 
									+ "before the plugin dependancies.");
			}
		}
		InputStream in = url.openStream();
		try{
			Properties props = new Properties();
			props.load(in);
			config.putAll((Map)props);
		}finally{
			StreamUtil.close(in);
		}
	} catch (IOException e1) {
		e1.printStackTrace();
		throw new RuntimeException(e1.toString(), e1);
	}
	if( null != extraConfig && extraConfig.length > 0){
		for (String[] keyToValue : extraConfig) {
			config.put(keyToValue[0], keyToValue[1]);
		}
	}
	return config;
}
 

import com.ibm.commons.util.io.StreamUtil; //导入依赖的package包/类
public void processToStream(RestServiceEngine engine, FileHelper fh) {// byte[]
	// byteFile)
	// {
	try {
		InputStream is = getFileSteam(fh);
		OutputStream os = engine.getHttpResponse().getOutputStream();
		// os.write(byteFile);
		StreamUtil.copyStream(is, os);
		os.close();
		is.close();

	} catch (Exception e) {
		e.printStackTrace();
	}
}