Examples with FileInputStream java.io.FileInputStream used on opensource projects

Example 61 with FileInputStream

use of java.io.FileInputStream in project Lazy by l123456789jy.

the class FileUtils method readFile.

/**
     * read file
     *
     * @param filePath    路径
     * @param charsetName The name of a supported {@link
     * java.nio.charset.Charset </code>charset<code>}
     * @return if file not exist, return null, else return content of file
     * @throws RuntimeException if an error occurs while operator
     * BufferedReader
     */
public static StringBuilder readFile(String filePath, String charsetName) {
    File file = new File(filePath);
    StringBuilder fileContent = new StringBuilder("");
    if (file == null || !file.isFile()) {
        return null;
    }
    BufferedReader reader = null;
    try {
        InputStreamReader is = new InputStreamReader(new FileInputStream(file), charsetName);
        reader = new BufferedReader(is);
        String line = null;
        while ((line = reader.readLine()) != null) {
            if (!fileContent.toString().equals("")) {
                fileContent.append("\r\n");
            }
            fileContent.append(line);
        }
        return fileContent;
    } catch (IOException e) {
        throw new RuntimeException("IOException occurred. ", e);
    } finally {
        IOUtils.close(reader);
    }
}

Example 62 with FileInputStream

use of java.io.FileInputStream in project eweb4j-framework by laiweiwei.

the class ActionExecution method handleResult.

private void handleResult() throws Exception {
    this.exeActionLog();
    if (retn == null)
        return;
    String baseUrl = (String) this.context.getServletContext().getAttribute(MVCConfigConstant.BASE_URL_KEY);
    if (File.class.isAssignableFrom(retn.getClass())) {
        File file = (File) retn;
        this.handleDownload(file);
        return;
    } else if (File[].class.isAssignableFrom(retn.getClass())) {
        File[] files = (File[]) retn;
        String fileName = CommonUtil.getNowTime("yyyyMMddHHmmss") + "_" + "download.zip";
        HttpServletResponse resp = this.context.getResponse();
        resp.reset();
        resp.setContentType("application/zip");
        resp.addHeader("Content-Disposition", "attachment; filename=\"" + fileName + "\"");
        ServletOutputStream outputStream = resp.getOutputStream();
        ZipOutputStream zip = new ZipOutputStream(outputStream);
        for (File file : files) {
            byte[] b = new byte[1024];
            int len;
            zip.putNextEntry(new ZipEntry(file.getName()));
            FileInputStream fis = new FileInputStream(file);
            while ((len = fis.read(b)) != -1) {
                zip.write(b, 0, len);
            }
            fis.close();
        }
        zip.flush();
        zip.close();
        outputStream.flush();
        return;
    }
    if (!String.class.isAssignableFrom(retn.getClass())) {
        String mimeType = null;
        boolean hasProduces = JAXWSUtil.hasProduces(method);
        if (hasProduces) {
            String[] mimeTypes = ProducesUtil.getProducesValue(method);
            if (mimeTypes != null && mimeTypes.length > 0)
                mimeType = mimeTypes[0];
        }
        if (mimeType == null || mimeType.trim().length() == 0)
            mimeType = this.context.getRequest().getParameter(MVCConfigConstant.HTTP_HEADER_ACCEPT_PARAM);
        if (mimeType == null || mimeType.trim().length() == 0) {
            String contentType = this.context.getRequest().getContentType();
            if (contentType != null) {
                this.context.getResponse().setContentType(contentType);
                mimeType = contentType.split(";")[0];
            }
        }
        if (this.context.getWriter() == null)
            this.context.setWriter(this.context.getResponse().getWriter());
        if (MIMEType.JSON.equals(mimeType) || "json".equalsIgnoreCase(mimeType)) {
            this.context.getResponse().setContentType(MIMEType.JSON);
            this.context.getWriter().print(CommonUtil.toJson(retn));
        } else if (MIMEType.XML.equals(mimeType) || "xml".equalsIgnoreCase(mimeType)) {
            Class<?> cls = retn.getClass();
            if (Collection.class.isAssignableFrom(cls)) {
                Class<?> _cls = ClassUtil.getPojoClass(this.method);
                if (_cls != null)
                    cls = _cls;
            }
            XMLWriter writer = BeanXMLUtil.getBeanXMLWriter(retn);
            writer.setCheckStatck(true);
            writer.setSubNameAuto(true);
            writer.setClass(cls);
            writer.setRootElementName(null);
            this.context.getResponse().setContentType(MIMEType.XML);
            this.context.getWriter().print(writer.toXml());
        } else {
            //默认都用json
            this.context.getResponse().setContentType(MIMEType.JSON);
            this.context.getWriter().print(CommonUtil.toJson(retn));
        }
        return;
    }
    List<String> produces = this.context.getActionConfigBean().getProduces();
    if (produces != null && produces.size() > 0)
        for (String produce : produces) {
            this.context.getResponse().setContentType(produce);
            break;
        }
    String re = String.valueOf(retn);
    //model driven
    for (Field f : fields) {
        Method getter = ru.getGetter(f.getName());
        if (getter == null)
            continue;
        String name = f.getName();
        if (this.context.getModel().containsKey(name))
            continue;
        this.context.getModel().put(name, getter.invoke(actionObject));
    }
    this.context.getModel().put(MVCConfigConstant.BASE_URL_KEY, this.context.getServletContext().getAttribute(MVCConfigConstant.BASE_URL_KEY));
    this.context.getModel().put(MVCConfigConstant.APPLICATION_SCOPE_KEY, new ServletContextProxy(this.context.getServletContext()).attrs());
    this.context.getModel().put(MVCConfigConstant.SESSION_SCOPE_KEY, new HttpSessionProxy(this.context.getSession()).attrs());
    this.context.getModel().put(MVCConfigConstant.COOKIE_SCOPE_KEY, new CookieProxy(this.context.getRequest().getCookies()).attrs());
    this.context.getModel().put(MVCConfigConstant.REQ_PARAM_SCOPE_KEY, this.context.getQueryParamMap());
    // 客户端重定向
    if (re.startsWith(RenderType.REDIRECT + ":")) {
        String url = re.substring((RenderType.REDIRECT + ":").length());
        String location = url;
        this.context.getResponse().sendRedirect(CommonUtil.replaceChinese2Utf8(location));
        return;
    } else if (re.startsWith(RenderType.ACTION + ":")) {
        String path = re.substring((RenderType.ACTION + ":").length());
        // ACTION 重定向
        handleActionRedirect(context, path, baseUrl);
        return;
    } else if (re.startsWith(RenderType.OUT + ":")) {
        String location = re.substring((RenderType.OUT + ":").length());
        this.context.getWriter().print(location);
        return;
    } else if (re.startsWith(RenderType.FORWARD + ":") || re.startsWith(RenderType.JSP + ":") || re.endsWith("." + RenderType.JSP)) {
        String[] str = re.split("@");
        re = str[0];
        String location = re;
        if (re.startsWith(RenderType.FORWARD + ":"))
            location = re.substring((RenderType.FORWARD + ":").length());
        else if (re.startsWith(RenderType.JSP + ":"))
            location = re.substring((RenderType.JSP + ":").length());
        //渲染JSP
        JSPRendererImpl render = new JSPRendererImpl();
        render.setContext(context);
        if (str.length > 1)
            render.layout(str[1]);
        render.target(location).render(context.getWriter(), context.getModel());
        return;
    } else if (re.startsWith(RenderType.FREEMARKER + ":") || re.startsWith(RenderType.FREEMARKER2 + ":") || re.endsWith("." + RenderType.FREEMARKER2)) {
        String[] str = re.split("@");
        re = str[0];
        String location = re;
        if (re.startsWith(RenderType.FREEMARKER + ":"))
            location = re.substring((RenderType.FREEMARKER + ":").length());
        else if (re.startsWith(RenderType.FREEMARKER2 + ":"))
            location = re.substring((RenderType.FREEMARKER2 + ":").length());
        //渲染Freemarker
        Renderer render = RenderFactory.create(RenderType.FREEMARKER).target(location);
        if (str.length > 1)
            render.layout(str[1]);
        render.render(context.getWriter(), context.getModel());
        //	        this.context.getWriter().flush();
        return;
    } else if (re.startsWith(RenderType.VELOCITY + ":") || re.startsWith(RenderType.VELOCITY2 + ":") || re.endsWith("." + RenderType.VELOCITY2)) {
        String[] str = re.split("@");
        re = str[0];
        String location = re;
        if (re.startsWith(RenderType.VELOCITY + ":"))
            location = re.substring((RenderType.VELOCITY + ":").length());
        else if (re.startsWith(RenderType.VELOCITY2 + ":"))
            location = re.substring((RenderType.VELOCITY2 + ":").length());
        //渲染Velocity
        Renderer render = RenderFactory.create(RenderType.VELOCITY).target(location);
        if (str.length > 1)
            render.layout(str[1]);
        render.render(context.getWriter(), context.getModel());
        //	        this.context.getWriter().flush();
        return;
    } else {
        List<ResultConfigBean> results = this.context.getActionConfigBean().getResult();
        if (results == null || results.size() == 0) {
            this.context.getWriter().print(retn);
            //				this.context.getWriter().flush();
            return;
        }
        boolean isOut = true;
        for (ResultConfigBean r : results) {
            if (!"_props_".equals(r.getName()) && !r.getName().equals(re) && !"".equals(re)) {
                continue;
            }
            isOut = false;
            String type = r.getType();
            String location = r.getLocation();
            if (RenderType.REDIRECT.equalsIgnoreCase(type)) {
                this.context.getResponse().sendRedirect(CommonUtil.replaceChinese2Utf8(location));
                return;
            } else if (RenderType.FORWARD.equalsIgnoreCase(type) || RenderType.JSP.equalsIgnoreCase(type)) {
                //渲染JSP
                String[] str = location.split("@");
                JSPRendererImpl render = new JSPRendererImpl();
                render.setContext(context);
                if (str.length > 1)
                    render.layout(str[1]);
                render.target(str[0]).render(context.getWriter(), context.getModel());
                return;
            } else if (RenderType.FREEMARKER.equalsIgnoreCase(type) || RenderType.FREEMARKER2.equalsIgnoreCase(type)) {
                //渲染Freemarker
                String[] str = location.split("@");
                Renderer render = RenderFactory.create(RenderType.FREEMARKER).target(str[0]);
                if (str.length > 1)
                    render.layout(str[1]);
                render.render(context.getWriter(), context.getModel());
                return;
            } else if (RenderType.VELOCITY.equalsIgnoreCase(type) || RenderType.VELOCITY2.equalsIgnoreCase(type)) {
                //渲染Velocity
                String[] str = location.split("@");
                Renderer render = RenderFactory.create(RenderType.VELOCITY).target(str[0]);
                if (str.length > 1)
                    render.layout(str[1]);
                render.render(context.getWriter(), context.getModel());
                return;
            } else if (RenderType.ACTION.equalsIgnoreCase(type)) {
                // ACTION 重定向
                handleActionRedirect(context, location, baseUrl);
                return;
            } else if (RenderType.OUT.equalsIgnoreCase(type) || location.trim().length() == 0) {
                this.context.getWriter().print(location);
                return;
            }
        }
        if (isOut) {
            this.context.getWriter().print(retn);
        //				this.context.getWriter().flush();
        }
    }
}

Example 63 with FileInputStream

use of java.io.FileInputStream in project cordova-android-chromeview by thedracle.

the class CameraLauncher method writeUncompressedImage.

/**
     * In the special case where the default width, height and quality are unchanged
     * we just write the file out to disk saving the expensive Bitmap.compress function.
     *
     * @param uri
     * @throws FileNotFoundException
     * @throws IOException
     */
private void writeUncompressedImage(Uri uri) throws FileNotFoundException, IOException {
    FileInputStream fis = new FileInputStream(FileHelper.stripFileProtocol(imageUri.toString()));
    OutputStream os = this.cordova.getActivity().getContentResolver().openOutputStream(uri);
    byte[] buffer = new byte[4096];
    int len;
    while ((len = fis.read(buffer)) != -1) {
        os.write(buffer, 0, len);
    }
    os.flush();
    os.close();
    fis.close();
}

Example 64 with FileInputStream

use of java.io.FileInputStream in project titan by thinkaurelius.

the class MapReduceIndexJobs method cassandraRemove.

public static ScanMetrics cassandraRemove(String titanPropertiesPath, String indexName, String relationType, String partitionerName) throws InterruptedException, IOException, ClassNotFoundException {
    Properties p = new Properties();
    FileInputStream fis = null;
    try {
        fis = new FileInputStream(titanPropertiesPath);
        p.load(fis);
        return cassandraRemove(p, indexName, relationType, partitionerName);
    } finally {
        IOUtils.closeQuietly(fis);
    }
}

Example 65 with FileInputStream

use of java.io.FileInputStream in project titan by thinkaurelius.

the class MapReduceIndexJobs method hbaseRepair.

public static ScanMetrics hbaseRepair(String titanPropertiesPath, String indexName, String relationType) throws InterruptedException, IOException, ClassNotFoundException {
    Properties p = new Properties();
    FileInputStream fis = null;
    try {
        fis = new FileInputStream(titanPropertiesPath);
        p.load(fis);
        return hbaseRepair(p, indexName, relationType);
    } finally {
        IOUtils.closeQuietly(fis);
    }
}