Example usage for org.springframework.messaging MessageDeliveryException MessageDeliveryException

Introduction

In this page you can find the example usage for org.springframework.messaging MessageDeliveryException MessageDeliveryException.

Prototype

public MessageDeliveryException(Message<?> undeliveredMessage, String description, Throwable cause) 

Source Link

Usage

From source file:org.springframework.integration.file.remote.RemoteFileTemplate.java

private String send(final Message<?> message, final String subDirectory, final FileExistsMode mode) {
    Assert.notNull(this.directoryExpressionProcessor, "'remoteDirectoryExpression' is required");
    Assert.isTrue(!FileExistsMode.APPEND.equals(mode) || !this.useTemporaryFileName,
            "Cannot append when using a temporary file name");
    Assert.isTrue(!FileExistsMode.REPLACE_IF_MODIFIED.equals(mode),
            "FilExistsMode.REPLACE_IF_MODIFIED can only be used for local files");
    final StreamHolder inputStreamHolder = this.payloadToInputStream(message);
    if (inputStreamHolder != null) {
        try {/* ww  w. j a v a 2 s .c o  m*/
            return this.execute(session -> {
                String fileName = inputStreamHolder.getName();
                try {
                    String remoteDirectory = RemoteFileTemplate.this.directoryExpressionProcessor
                            .processMessage(message);
                    remoteDirectory = RemoteFileTemplate.this.normalizeDirectoryPath(remoteDirectory);
                    if (StringUtils.hasText(subDirectory)) {
                        if (subDirectory.startsWith(RemoteFileTemplate.this.remoteFileSeparator)) {
                            remoteDirectory += subDirectory.substring(1);
                        } else {
                            remoteDirectory += RemoteFileTemplate.this.normalizeDirectoryPath(subDirectory);
                        }
                    }
                    String temporaryRemoteDirectory = remoteDirectory;
                    if (RemoteFileTemplate.this.temporaryDirectoryExpressionProcessor != null) {
                        temporaryRemoteDirectory = RemoteFileTemplate.this.temporaryDirectoryExpressionProcessor
                                .processMessage(message);
                    }
                    fileName = RemoteFileTemplate.this.fileNameGenerator.generateFileName(message);
                    RemoteFileTemplate.this.sendFileToRemoteDirectory(inputStreamHolder.getStream(),
                            temporaryRemoteDirectory, remoteDirectory, fileName, session, mode);
                    return remoteDirectory + fileName;
                } catch (FileNotFoundException e) {
                    throw new MessageDeliveryException(message, "File [" + inputStreamHolder.getName()
                            + "] not found in local working directory; it was moved or deleted unexpectedly.",
                            e);
                } catch (IOException e) {
                    throw new MessageDeliveryException(message,
                            "Failed to transfer file [" + inputStreamHolder.getName() + " -> " + fileName
                                    + "] from local directory to remote directory.",
                            e);
                } catch (Exception e) {
                    throw new MessageDeliveryException(message, "Error handling message for file ["
                            + inputStreamHolder.getName() + " -> " + fileName + "]", e);
                }
            });
        } finally {
            try {
                inputStreamHolder.getStream().close();
            } catch (IOException e) {
            }
        }
    } else {
        // A null holder means a File payload that does not exist.
        if (this.logger.isWarnEnabled()) {
            this.logger.warn("File " + message.getPayload() + " does not exist");
        }
        return null;
    }
}

---

From source file:org.springframework.integration.file.remote.RemoteFileTemplate.java

private StreamHolder payloadToInputStream(Message<?> message) throws MessageDeliveryException {
    try {//w  ww .  ja  v a 2s . co  m
        Object payload = message.getPayload();
        InputStream dataInputStream = null;
        String name = null;
        if (payload instanceof InputStream) {
            dataInputStream = (InputStream) payload;
        } else if (payload instanceof File) {
            File inputFile = (File) payload;
            if (inputFile.exists()) {
                dataInputStream = new BufferedInputStream(new FileInputStream(inputFile));
                name = inputFile.getAbsolutePath();
            }
        } else if (payload instanceof byte[] || payload instanceof String) {
            byte[] bytes = null;
            if (payload instanceof String) {
                bytes = ((String) payload).getBytes(this.charset);
                name = "String payload";
            } else {
                bytes = (byte[]) payload;
                name = "byte[] payload";
            }
            dataInputStream = new ByteArrayInputStream(bytes);
        } else {
            throw new IllegalArgumentException("Unsupported payload type. The only supported payloads are "
                    + "java.io.File, java.lang.String, byte[] and InputStream");
        }
        if (dataInputStream == null) {
            return null;
        } else {
            return new StreamHolder(dataInputStream, name);
        }
    } catch (Exception e) {
        throw new MessageDeliveryException(message, "Failed to create sendable file.", e);
    }
}

---

From source file:org.springframework.messaging.support.AbstractMessageChannel.java

@Override
public final boolean send(Message<?> message, long timeout) {
    Assert.notNull(message, "Message must not be null");
    Message<?> messageToUse = message;
    ChannelInterceptorChain chain = new ChannelInterceptorChain();
    boolean sent = false;
    try {/*  w w  w . j  av  a 2s .c om*/
        messageToUse = chain.applyPreSend(messageToUse, this);
        if (messageToUse == null) {
            return false;
        }
        sent = sendInternal(messageToUse, timeout);
        chain.applyPostSend(messageToUse, this, sent);
        chain.triggerAfterSendCompletion(messageToUse, this, sent, null);
        return sent;
    } catch (Exception ex) {
        chain.triggerAfterSendCompletion(messageToUse, this, sent, ex);
        if (ex instanceof MessagingException) {
            throw (MessagingException) ex;
        }
        throw new MessageDeliveryException(messageToUse, "Failed to send message to " + this, ex);
    } catch (Throwable err) {
        MessageDeliveryException ex2 = new MessageDeliveryException(messageToUse,
                "Failed to send message to " + this, err);
        chain.triggerAfterSendCompletion(messageToUse, this, sent, ex2);
        throw ex2;
    }
}

---

From source file:org.springframework.messaging.support.channel.AbstractMessageChannel.java

@Override
public final boolean send(Message<?> message, long timeout) {

    Assert.notNull(message, "Message must not be null");
    if (logger.isTraceEnabled()) {
        logger.trace("[" + this.beanName + "] sending message " + message);
    }//from w ww. ja v  a  2 s .  co  m

    message = this.interceptorChain.preSend(message, this);
    if (message == null) {
        return false;
    }

    try {
        boolean sent = sendInternal(message, timeout);
        this.interceptorChain.postSend(message, this, sent);
        return sent;
    } catch (Exception e) {
        if (e instanceof MessagingException) {
            throw (MessagingException) e;
        }
        throw new MessageDeliveryException(message,
                "Failed to send message to channel '" + this.getBeanName() + "'", e);
    }
}

---