Examples with Exchange org.apache.camel.Exchange used on opensource projects

Example 66 with Exchange

use of org.apache.camel.Exchange in project camel by apache.

the class GridFsConsumer method run.

@Override
public void run() {
    DBCursor c = null;
    java.util.Date fromDate = null;
    QueryStrategy s = endpoint.getQueryStrategy();
    boolean usesTimestamp = s != QueryStrategy.FileAttribute;
    boolean persistsTimestamp = s == QueryStrategy.PersistentTimestamp || s == QueryStrategy.PersistentTimestampAndFileAttribute;
    boolean usesAttribute = s == QueryStrategy.FileAttribute || s == QueryStrategy.TimeStampAndFileAttribute || s == QueryStrategy.PersistentTimestampAndFileAttribute;
    DBCollection ptsCollection = null;
    DBObject persistentTimestamp = null;
    if (persistsTimestamp) {
        ptsCollection = endpoint.getDB().getCollection(endpoint.getPersistentTSCollection());
        // ensure standard indexes as long as collections are small
        try {
            if (ptsCollection.count() < 1000) {
                ptsCollection.createIndex(new BasicDBObject("id", 1));
            }
        } catch (MongoException e) {
        //TODO: Logging
        }
        persistentTimestamp = ptsCollection.findOne(new BasicDBObject("id", endpoint.getPersistentTSObject()));
        if (persistentTimestamp == null) {
            persistentTimestamp = new BasicDBObject("id", endpoint.getPersistentTSObject());
            fromDate = new java.util.Date();
            persistentTimestamp.put("timestamp", fromDate);
            ptsCollection.save(persistentTimestamp);
        }
        fromDate = (java.util.Date) persistentTimestamp.get("timestamp");
    } else if (usesTimestamp) {
        fromDate = new java.util.Date();
    }
    try {
        Thread.sleep(endpoint.getInitialDelay());
        while (isStarted()) {
            if (c == null || c.getCursorId() == 0) {
                if (c != null) {
                    c.close();
                }
                String queryString = endpoint.getQuery();
                DBObject query;
                if (queryString == null) {
                    query = new BasicDBObject();
                } else {
                    query = (DBObject) JSON.parse(queryString);
                }
                if (usesTimestamp) {
                    query.put("uploadDate", new BasicDBObject("$gt", fromDate));
                }
                if (usesAttribute) {
                    query.put(endpoint.getFileAttributeName(), null);
                }
                c = endpoint.getFilesCollection().find(query);
            }
            boolean dateModified = false;
            while (c.hasNext() && isStarted()) {
                GridFSDBFile file = (GridFSDBFile) c.next();
                GridFSDBFile forig = file;
                if (usesAttribute) {
                    file.put(endpoint.getFileAttributeName(), "processing");
                    DBObject q = BasicDBObjectBuilder.start("_id", file.getId()).append("camel-processed", null).get();
                    forig = (GridFSDBFile) endpoint.getFilesCollection().findAndModify(q, null, null, false, file, true, false);
                }
                if (forig != null) {
                    file = endpoint.getGridFs().findOne(new BasicDBObject("_id", file.getId()));
                    Exchange exchange = endpoint.createExchange();
                    exchange.getIn().setHeader(GridFsEndpoint.GRIDFS_METADATA, JSON.serialize(file.getMetaData()));
                    exchange.getIn().setHeader(Exchange.FILE_CONTENT_TYPE, file.getContentType());
                    exchange.getIn().setHeader(Exchange.FILE_LENGTH, file.getLength());
                    exchange.getIn().setHeader(Exchange.FILE_LAST_MODIFIED, file.getUploadDate());
                    exchange.getIn().setBody(file.getInputStream(), InputStream.class);
                    try {
                        getProcessor().process(exchange);
                        //System.out.println("Processing " + file.getFilename());
                        if (usesAttribute) {
                            forig.put(endpoint.getFileAttributeName(), "done");
                            endpoint.getFilesCollection().save(forig);
                        }
                        if (usesTimestamp) {
                            if (file.getUploadDate().compareTo(fromDate) > 0) {
                                fromDate = file.getUploadDate();
                                dateModified = true;
                            }
                        }
                    } catch (Exception e) {
                        // TODO Auto-generated catch block
                        e.printStackTrace();
                    }
                }
            }
            if (persistsTimestamp && dateModified) {
                persistentTimestamp.put("timestamp", fromDate);
                ptsCollection.save(persistentTimestamp);
            }
            Thread.sleep(endpoint.getDelay());
        }
    } catch (Throwable e1) {
        // TODO Auto-generated catch block
        e1.printStackTrace();
    }
    if (c != null) {
        c.close();
    }
}

Example 67 with Exchange

use of org.apache.camel.Exchange in project camel by apache.

the class MongoDbEndpoint method createMongoDbExchange.

public Exchange createMongoDbExchange(DBObject dbObj) {
    Exchange exchange = super.createExchange();
    Message message = exchange.getIn();
    message.setHeader(MongoDbConstants.DATABASE, database);
    message.setHeader(MongoDbConstants.COLLECTION, collection);
    message.setHeader(MongoDbConstants.FROM_TAILABLE, true);
    message.setBody(dbObj);
    return exchange;
}

Example 68 with Exchange

use of org.apache.camel.Exchange in project camel by apache.

the class RssEndpoint method createExchange.

@Override
public Exchange createExchange(Object feed, Object entry) {
    Exchange exchange = createExchangeWithFeedHeader(feed, RssConstants.RSS_FEED);
    SyndFeed newFeed;
    try {
        newFeed = (SyndFeed) ((SyndFeed) feed).clone();
        newFeed.setEntries(Arrays.asList(entry));
    } catch (CloneNotSupportedException e) {
        LOG.debug("Could not create a new feed. This exception will be ignored.", e);
        newFeed = null;
    }
    exchange.getIn().setBody(newFeed);
    return exchange;
}

Example 69 with Exchange

use of org.apache.camel.Exchange in project Activiti by Activiti.

the class InitiatorCamelCallTest method testInitiatorCamelCall.

@Deployment
public void testInitiatorCamelCall() throws Exception {
    CamelContext ctx = applicationContext.getBean(CamelContext.class);
    ProducerTemplate tpl = ctx.createProducerTemplate();
    String body = "body text";
    Exchange exchange = ctx.getEndpoint("direct:startWithInitiatorHeader").createExchange();
    exchange.getIn().setBody(body);
    tpl.send("direct:startWithInitiatorHeader", exchange);
    String instanceId = (String) exchange.getProperty("PROCESS_ID_PROPERTY");
    String initiator = (String) runtimeService.getVariable(instanceId, "initiator");
    assertEquals("kermit", initiator);
    Object camelInitiatorHeader = runtimeService.getVariable(instanceId, "CamelProcessInitiatorHeader");
    assertNull(camelInitiatorHeader);
}

Example 70 with Exchange

use of org.apache.camel.Exchange in project Activiti by Activiti.

the class CamelVariableTransferTest method testCamelPropertiesAll.

// check that at least all properties are passed from camel to activiti when copyVariablesFromProperties=true is simply true
@Deployment
public void testCamelPropertiesAll() throws Exception {
    ProducerTemplate tpl = camelContext.createProducerTemplate();
    Exchange exchange = camelContext.getEndpoint("direct:startAllProperties").createExchange();
    tpl.send("direct:startAllProperties", exchange);
    assertNotNull(taskService);
    assertNotNull(runtimeService);
    assertEquals(1, taskService.createTaskQuery().count());
    Task task = taskService.createTaskQuery().singleResult();
    assertNotNull(task);
    Map<String, Object> variables = runtimeService.getVariables(task.getExecutionId());
    assertEquals("sampleValueForProperty1", variables.get("property1"));
    assertEquals("sampleValueForProperty2", variables.get("property2"));
    assertEquals("sampleValueForProperty3", variables.get("property3"));
}