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从Jboss EAP 6.4迁移到EAP 7.1

发布时间：2020-07-01 05:40:06 作者：川川Jason
来源：网络 阅读：3175

POM

Richfaces 3.3

因EAP 7的servlet版本是3.1，fileUpload组件不能使用，需要使用getParts方法重写MultipartRequest实现。

package org.ajax4jsf.request;

import org.ajax4jsf.exception.FileUploadException;
import org.ajax4jsf.webapp.BaseXMLFilter;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.richfaces.component.FileUploadConstants;
import org.richfaces.model.UploadItem;

import javax.faces.context.ExternalContext;
import javax.faces.context.FacesContext;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletRequestWrapper;
import javax.servlet.http.Part;
import java.io.*;
import java.rmi.server.UID;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;

/**
 * Request wrapper for supporting multipart requests, used for file uploading.
 *
 * @author Shane Bryzak
 */
public class MultipartRequest extends HttpServletRequestWrapper {
    private static final Log logger = LogFactory.getLog(MultipartRequest.class);
    private static final int BUFFER_SIZE = 2048;

    private boolean createTempFiles;

    private Part filePart;
    private ByteArrayOutputStream bOut = null;
    private FileOutputStream fOut = null;
    private File tempFile = null;

    private String uid;

    private Integer contentLength = 0;

    private int bytesRead = 0;

    private int read = 0;

    private byte[] buffer;

    private InputStream input;

    //we shouldn't allow to stop until request reaches PhaseListener because of portlets
    private boolean canStop = false;

    private Map<String, Object> percentMap = null;

    private Map<String, Integer> requestSizeMap = null;

    private Map<String, String> requestKeysMap = null;

    private String requestKey = null;

    private MultipartRequestRegistry requestRegistry;

    boolean initialized = false;

    private boolean shouldStop = false;
    private boolean canceled;

    public MultipartRequest(HttpServletRequest request, boolean createTempFiles, int maxRequestSize, String uid) {
        super(request);
        this.createTempFiles = createTempFiles;
        this.uid = uid;
        this.contentLength = Integer.parseInt(request.getHeader("Content-Length"));
    }

    public void cancel() {
        this.canceled = true;

        deleteFile();
    }

    private void deleteFile() {
        try {
            if (fOut != null) {
                fOut.close();
                if (tempFile != null) {
                    tempFile.delete();
                }
            }
        } catch (Exception e) {
            throw new FileUploadException("Could not delete temporary file");
        }
    }

    private void fillBuffer() throws IOException {
        read = input.read(buffer);

        if (read > 0) {
            bytesRead += read;
        }

        fillProgressInfo();
    }

    private void readData() throws IOException {
        while (read > 0) {
            appendData(buffer, 0, read);
            fillBuffer();
        }
    }

    private void initialize() throws IOException {
        if (initialized) {
            return;
        }

        initialized = true;
        buffer = new byte[BUFFER_SIZE];
        getFilePart();
        input = getFileInputStream();

        setupProgressData();
        fillBuffer();
    }

    private void getFilePart() {
        try {
            filePart = null;
            Collection<Part> parts = getParts();
            for (Part part : parts) {
                if (part.getName().endsWith(":file")) {
                    filePart = part;
                    if (createTempFiles) {
                        createTempFile();
                    }
                    break;
                }
            }
        } catch (Exception e) {
            logger.error(e.getMessage(), e);
        }
    }

    public void createTempFile() {
        try {
            tempFile = File.createTempFile(new UID().toString().replace(":", "-"), ".upload");
            fOut = new FileOutputStream(tempFile);
        } catch (IOException ex) {
            throw new FileUploadException("Could not create temporary file");
        }
    }

    private void appendData(byte[] data, int start, int length) throws IOException {
        if (fOut != null) {
            fOut.write(data, start, length);
            fOut.flush();
        } else {
            if (bOut == null) {
                bOut = new ByteArrayOutputStream();
            }
            bOut.write(data, start, length);
        }
    }

    public void parseRequest() {
        canStop = true;

        setupProgressData();

        try {
            initialize();

            readData();
        } catch (IOException e) {
            this.cancel();

            if (!this.shouldStop) {
                throw new FileUploadException("IO Error parsing multipart request", e);
            }
        }
    }

    public static MultipartRequest lookupRequest(FacesContext context, String uploadId) {
        Map<String, Object> sessionMap = context.getExternalContext().getSessionMap();
        Map<String, String> requestKeys = (Map<String, String>) sessionMap.get(FileUploadConstants.REQUEST_KEYS_BEAN_NAME);
        if (requestKeys != null) {
            String requestKey = requestKeys.get(uploadId);
            if (requestKey != null) {
                MultipartRequestRegistry requestRegistry = MultipartRequestRegistry.getInstance(context);
                if (requestRegistry != null) {
                    MultipartRequest request = requestRegistry.getRequest(requestKey);
                    if (request != null) {
                        return request;
                    }
                }
            }
        }

        return null;
    }

    @SuppressWarnings("unchecked")
    private void setupProgressData() {
        if (percentMap == null || requestSizeMap == null || requestKeysMap == null) {
            FacesContext facesContext = FacesContext.getCurrentInstance();
            if (facesContext != null) {
                ExternalContext externalContext = facesContext.getExternalContext();
                if (externalContext != null) {
                    Map<String, Object> sessionMap = externalContext.getSessionMap();
                    if (sessionMap != null) {
                        String uploadId = getUploadId();

                        synchronized (sessionMap) {
                            if (percentMap == null) {
                                percentMap = (Map<String, Object>) sessionMap.get(FileUploadConstants.PERCENT_BEAN_NAME);
                                if (percentMap == null) {
                                    percentMap = new ConcurrentHashMap<String, Object>();
                                    sessionMap.put(FileUploadConstants.PERCENT_BEAN_NAME, percentMap);
                                }
                            }

                            if (requestSizeMap == null) {
                                requestSizeMap = (Map<String, Integer>) sessionMap.get(FileUploadConstants.REQUEST_SIZE_BEAN_NAME);
                                if (requestSizeMap == null) {
                                    requestSizeMap = new ConcurrentHashMap<String, Integer>();
                                    sessionMap.put(FileUploadConstants.REQUEST_SIZE_BEAN_NAME, requestSizeMap);
                                }
                            }

                            if (requestKeysMap == null) {
                                requestKeysMap = (Map<String, String>) sessionMap.get(FileUploadConstants.REQUEST_KEYS_BEAN_NAME);
                                if (requestKeysMap == null) {
                                    requestKeysMap = new ConcurrentHashMap<String, String>();
                                    sessionMap.put(FileUploadConstants.REQUEST_KEYS_BEAN_NAME, requestKeysMap);
                                }
                            }
                        }

                        percentMap.put(uploadId, Double.valueOf(0));
                        requestSizeMap.put(uploadId, getSize());

                        requestRegistry = MultipartRequestRegistry.getInstance(facesContext);
                        requestKey = requestRegistry.registerRequest(this);
                        requestKeysMap.put(uploadId, requestKey);
                    }
                }
            }
        }
    }

    private void fillProgressInfo() {
        setupProgressData();

        if (percentMap != null) {
            Double percent = (100.0 * this.bytesRead / this.contentLength);
            percentMap.put(uid, percent);
        }
    }

    public Integer getSize() {
        return contentLength;
    }

    public byte[] getFileBytes(String name) {
        if (filePart == null) {
            return null;
        }

        if (fOut != null) {
            try {
                fOut.close();
            } catch (IOException ex) {
            }
            fOut = null;
        }

        if (bOut != null) {
            return bOut.toByteArray();
        }

        if (tempFile != null && tempFile.exists()) {
            try {
                FileInputStream inputStream = new FileInputStream(tempFile);
                ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
                byte[] buf = new byte[BUFFER_SIZE];
                int read = inputStream.read(buf);
                while (read != -1) {
                    outputStream.write(buf, 0, read);
                    read = inputStream.read(buf);
                }
                outputStream.flush();
                inputStream.close();
                tempFile.delete();
                return outputStream.toByteArray();
            } catch (IOException ex) {
            }
        }
        return null;
    }

    public InputStream getFileInputStream() throws IOException {
        return filePart == null ? null : filePart.getInputStream();
    }

    public String getFileContentType() {
        return filePart != null ? filePart.getContentType() : null;
    }

    public Object getFile() {
        if (filePart == null) {
            return null;
        }

        if (tempFile != null) {
            if (fOut != null) {
                try {
                    fOut.close();
                } catch (IOException ex) {
                }
                fOut = null;
            }
            return tempFile;
        }
        if (bOut != null) {
            return bOut.toByteArray();
        }

        return null;
    }

    public String getFileName() {
        return filePart != null ? filePart.getSubmittedFileName() : null;
    }

    public int getFileSize() {
        return filePart != null ? (int) filePart.getSize() : -1;
    }

    public List<UploadItem> getUploadItems() {
        List<UploadItem> uploadItems = new ArrayList<>();
        if (filePart != null) {
            uploadItems.add(new UploadItem(getFileName(), getFileSize(), getFileContentType(), getFile()));
        }
        return uploadItems;
    }

    public boolean isFormUpload() {
        return "_richfaces_form_upload".equals(uid);
    }

    @Override
    public String getHeader(String name) {
        if (!"Accept".equals(name)) {
            return super.getHeader(name);
        } else {
            return BaseXMLFilter.TEXT_HTML;
        }
    }

    public void stop() {
        if (canStop) {
            shouldStop = true;
        }
    }

    public boolean isStopped() {
        return this.shouldStop;
    }

    public boolean isDone() {
        return !(this.shouldStop && (this.canceled || this.contentLength != null && this.contentLength.intValue() != this.bytesRead));
    }

    @Override
    public String getContentType() {
        return "application/x-www-form-urlencoded";
    }

    protected String getUploadId() {
        return uid;
    }

    public void clearRequestData() {
        String uploadId = getUploadId();

        if (percentMap != null) {
            percentMap.remove(uploadId);
        }

        if (requestSizeMap != null) {
            requestSizeMap.remove(uploadId);
        }

        if (requestKeysMap != null) {
            requestKeysMap.remove(uploadId);
        }

        if (requestRegistry != null) {
            requestRegistry.removeRequest(requestKey);
        }
    }
}

另外，Richfaces 3.3.4.Final fileupload组件页面显示有中文乱码问题，需要修改FileUploadRendererBase的initLabels方法，删除value = dumpingWriter.toString();这一行。

Hibernate 3.5

推荐阅读：
  1. JBOSS配置排错
  2. 将项目从JBOSS 6 迁移到 JBOSS 7所遇到的问题

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jboss eap 7 jsf 1.2 richfaces 3

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