Examples of org.apache.axiom.attachments.lifecycle.LifecycleManager

Package org.apache.axiom.attachments.lifecycle

Examples of org.apache.axiom.attachments.lifecycle.LifecycleManager

org.apache.axiom.attachments.lifecycle.LifecycleManager
Lifecycle Manager will be used to manage the lifecycle of attachment files. Axiom forks attachment processing based on the size of attachment to be processed. Attachments are either processed by storing them in memory or by storing them in file system based on the size of the attachment file. Lifecycle Manager provides and organized way of managing attachments, by providing calls to create and delete attachments.


    private void processAttachmentsLifecycleManager(AxisConfiguration axisConfig, OMElement element) {
        String className = element.getAttributeValue(new QName(TAG_CLASS_NAME));
        try {
            Class classInstance = Loader.loadClass(className);
            LifecycleManager manager = (LifecycleManager) classInstance.newInstance();
            axisConfig.addParameter(DeploymentConstants.ATTACHMENTS_LIFECYCLE_MANAGER, manager);
        } catch (Exception e) {
            if (log.isTraceEnabled()) {
                log.trace(
                        "processAttachmentsLifecycleManager: Exception thrown initialising LifecycleManager: " +

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    private void processAttachmentsLifecycleManager(AxisConfiguration axisConfig, OMElement element) {
        String className = element.getAttributeValue(new QName(TAG_CLASS_NAME));
        try {
            Class classInstance = Loader.loadClass(className);
            LifecycleManager manager = (LifecycleManager) classInstance.newInstance();
            axisConfig.addParameter(DeploymentConstants.ATTACHMENTS_LIFECYCLE_MANAGER, manager);
        } catch (Exception e) {
            if (log.isTraceEnabled()) {
                log.trace(
                        "processAttachmentsLifecycleManager: Exception thrown initialising LifecycleManager: " +

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               // (Pulling the stream for new attachments will probably fail...the stream is probably closed)
               List keys = attachments.getContentIDList();
               if (keys != null && keys.size() > 0) {
                 String key = null;
                 File file = null;
                    LifecycleManager lcm = (LifecycleManager)msgContext.getRootContext().getAxisConfiguration().getParameterValue(DeploymentConstants.ATTACHMENTS_LIFECYCLE_MANAGER);                   
                 DataSource dataSource = null;
                   for (int i = 0; i < keys.size(); i++) {
                       try {
                           key = (String) keys.get(i);
                           dataSource = attachments.getDataHandler(key).getDataSource();
                           if(dataSource instanceof CachedFileDataSource){
                             file = ((CachedFileDataSource)dataSource).getFile();
                             if (log.isDebugEnabled()) {
                                   log.debug("Delete cache attachment file: "+file.getName());
                            }
                             if(lcm!=null){
                                if(log.isDebugEnabled()){
                                    log.debug("deleting file using lifecyclemanager");
                                }
                                lcm.delete(file);
                            }else{
                                file.delete();
                            }
                           }
                       }
                       catch (Exception e) {
                         if (log.isDebugEnabled()) {
                               log.debug("Delete cache attachment file failed"+ e.getMessage());
                           }


                           if (file != null) {
                               if(lcm!=null){
                                   try{
                                       lcm.deleteOnExit(file);
                                   }catch(Exception ex){
                                       file.deleteOnExit();
                                   }
                               }
                               else{

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                                                String contentTypeString,
                                                boolean fileCacheForAttachments,
                                                String attachmentRepoDir,
                                                String attachmentSizeThreshold,
                                                int contentLength) {
        LifecycleManager manager = null;
        try {
            AxisConfiguration configuration = msgContext.getRootContext().getAxisConfiguration();
            manager = (LifecycleManager)configuration
                    .getParameterValue(DeploymentConstants.ATTACHMENTS_LIFECYCLE_MANAGER);
            if (manager == null) {

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    private void processAttachmentsLifecycleManager(AxisConfiguration axisConfig, OMElement element) {
        String className = element.getAttributeValue(new QName(TAG_CLASS_NAME));
        try {
            Class classInstance = Loader.loadClass(className);
            LifecycleManager manager = (LifecycleManager) classInstance.newInstance();
            axisConfig.addParameter(DeploymentConstants.ATTACHMENTS_LIFECYCLE_MANAGER, manager);
        } catch (Exception e) {
            if (log.isTraceEnabled()) {
                log.trace(
                        "processAttachmentsLifecycleManager: Exception thrown initialising LifecycleManager: " +

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                                                 String contentTypeString,
                                                 boolean fileCacheForAttachments,
                                                 String attachmentRepoDir,
                                                 String attachmentSizeThreshold,
                                                 int contentLength) {
        LifecycleManager manager = null;
        try {
            AxisConfiguration configuration = msgContext.getRootContext().getAxisConfiguration();
            manager = (LifecycleManager) configuration
                    .getParameterValue(DeploymentConstants.ATTACHMENTS_LIFECYCLE_MANAGER);
            if(manager == null){

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         if (log.isDebugEnabled()) {
               log.debug("Entering deleteAttachments()");
           }
           
         Attachments attachments = msgContext.getAttachmentMap();
         LifecycleManager lcm = (LifecycleManager)msgContext.getRootContext().getAxisConfiguration().getParameterValue(DeploymentConstants.ATTACHMENTS_LIFECYCLE_MANAGER);
           if (attachments != null) {
               String [] keys = attachments.getAllContentIDs(); 
               if (keys != null) {
                 String key = null;
                 File file = null;
                 DataSource dataSource = null;
                   for (int i = 0; i < keys.length; i++) {
                       try {
                           key = keys[i];
                           dataSource = attachments.getDataHandler(key).getDataSource();
                           if(dataSource instanceof CachedFileDataSource){
                             file = ((CachedFileDataSource)dataSource).getFile();
                             if (log.isDebugEnabled()) {
                                   log.debug("Delete cache attachment file: "+file.getName());
                            }
                             if(lcm!=null){
                                if(log.isDebugEnabled()){
                                    log.debug("deleting file using lifecyclemanager");
                                }
                                lcm.delete(file);
                            }else{
                                file.delete();
                            }
                           }
                       }
                       catch (Exception e) {
                         if (log.isDebugEnabled()) {
                               log.debug("Delete cache attachment file failed"+ e.getMessage());
                           }


                           if (file != null) {
                               if(lcm!=null){
                                   try{                                 
                                       lcm.deleteOnExit(file);
                                   }catch(Exception ex){
                                       file.deleteOnExit();
                                   }
                               }
                               else{

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    private void processAttachmentsLifecycleManager(AxisConfiguration axisConfig, OMElement element) {
        String className = element.getAttributeValue(new QName(TAG_CLASS_NAME));
        try {
            Class classInstance = Loader.loadClass(className);
            LifecycleManager manager = (LifecycleManager) classInstance.newInstance();
            axisConfig.addParameter(DeploymentConstants.ATTACHMENTS_LIFECYCLE_MANAGER, manager);
        } catch (Exception e) {
            if (log.isTraceEnabled()) {
                log.trace(
                        "processAttachmentsLifecycleManager: Exception thrown initialising LifecycleManager: " +

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                                      OMFactory factory, 
                                      boolean isOptimize,
                                      String attachmentDir) throws IOException, MessagingException {
        OMText omText = null;
        if (isOptimize) {
            LifecycleManager lm = getLifecycleManager(factory);
            int threshold = getThreshold(factory);
            
            // TODO Consider lowering the threshold in low memory situations ?
            //threshold = lm.getRuntimeThreshold(threshold);
            
            if (length >= threshold && attachmentDir != null) {
                
                // Get the file accessor
                FileAccessor fileAccessor = lm.create(attachmentDir);
                OutputStream fos = fileAccessor.getOutputStream();
                
                //Copy the bytes into the file
                ByteArrayInputStream is = new ByteArrayInputStream(b, off, length);
                BufferUtils.inputStream2OutputStream(is, fos);
                fos.close();
                
                // Delete this temp file on exit
                lm.deleteOnExit(fileAccessor.getFile());
                lm.deleteOnTimeInterval(DELETE_TIME, fileAccessor.getFile());
                
                // Create the OMText node from the datahandler
                DataHandler dh = fileAccessor.getDataHandler(null);
                omText = factory.createOMText(dh, isOptimize);
            }

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        }
        return omText;
    }
   
    private static LifecycleManager getLifecycleManager(OMFactory factory) {
        LifecycleManager lm = null;
        
        /* TODO Support access to lifecycle manager from the factory
        if (factory.getProperty(LIFECYCLE_MANAGER)) {
            ...
        }

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