Examples with ClassResolver org.apache.camel.spi.ClassResolver used on opensource projects

Example 6 with ClassResolver

use of org.apache.camel.spi.ClassResolver in project camel by apache.

the class FtpEndpoint method createFtpClient.

protected FTPClient createFtpClient() throws Exception {
    FTPClient client = new FTPClient();
    // default ParserFactory
    if (isOsgi()) {
        ClassResolver cr = getCamelContext().getClassResolver();
        OsgiParserFactory opf = new OsgiParserFactory(cr);
        client.setParserFactory(opf);
    }
    return client;
}

Example 7 with ClassResolver

use of org.apache.camel.spi.ClassResolver in project camel by apache.

the class KafkaEndpoint method updateClassProperties.

public void updateClassProperties(Properties props) {
    try {
        if (getCamelContext() != null) {
            ClassResolver resolver = getCamelContext().getClassResolver();
            replaceWithClass(props, ProducerConfig.KEY_SERIALIZER_CLASS_CONFIG, resolver, Serializer.class);
            replaceWithClass(props, ProducerConfig.VALUE_SERIALIZER_CLASS_CONFIG, resolver, Serializer.class);
            replaceWithClass(props, ConsumerConfig.KEY_DESERIALIZER_CLASS_CONFIG, resolver, Deserializer.class);
            replaceWithClass(props, ConsumerConfig.VALUE_DESERIALIZER_CLASS_CONFIG, resolver, Deserializer.class);
            try {
                //doesn't exist in old version of Kafka client so detect and only call the method if
                //the field/config actually exists
                Field f = ProducerConfig.class.getDeclaredField("PARTITIONER_CLASS_CONFIG");
                if (f != null) {
                    loadParitionerClass(resolver, props);
                }
            } catch (NoSuchFieldException e) {
            //ignore
            } catch (SecurityException e) {
            //ignore
            }
        //doesn't work as it needs to be List<String>  :(
        //replaceWithClass(props, "partition.assignment.strategy", resolver, PartitionAssignor.class);
        }
    } catch (Throwable t) {
        //can ignore and Kafka itself might be able to handle it, if not, it will throw an exception
        LOG.debug("Problem loading classes for Serializers", t);
    }
}

Example 8 with ClassResolver

use of org.apache.camel.spi.ClassResolver in project camel by apache.

the class CamelContextHelper method findEips.

/**
     * Find information about all the EIPs from camel-core.
     */
public static SortedMap<String, Properties> findEips(CamelContext camelContext) throws LoadPropertiesException {
    SortedMap<String, Properties> answer = new TreeMap<String, Properties>();
    ClassResolver resolver = camelContext.getClassResolver();
    LOG.debug("Finding all EIPs using class resolver: {} -> {}", new Object[] { resolver });
    URL url = resolver.loadResourceAsURL(MODEL_DESCRIPTOR);
    if (url != null) {
        InputStream is = null;
        try {
            is = url.openStream();
            String all = IOHelper.loadText(is);
            String[] lines = all.split("\n");
            for (String line : lines) {
                if (line.startsWith("#")) {
                    continue;
                }
                Properties prop = new Properties();
                prop.put("name", line);
                String description = null;
                String label = null;
                String javaType = null;
                String title = null;
                // enrich with more meta-data
                String json = camelContext.explainEipJson(line, false);
                if (json != null) {
                    List<Map<String, String>> rows = JsonSchemaHelper.parseJsonSchema("model", json, false);
                    for (Map<String, String> row : rows) {
                        if (row.get("title") != null) {
                            title = row.get("title");
                        }
                        if (row.get("description") != null) {
                            description = row.get("description");
                        }
                        if (row.get("label") != null) {
                            label = row.get("label");
                        }
                        if (row.get("javaType") != null) {
                            javaType = row.get("javaType");
                        }
                    }
                }
                if (title != null) {
                    prop.put("title", title);
                }
                if (description != null) {
                    prop.put("description", description);
                }
                if (label != null) {
                    prop.put("label", label);
                }
                if (javaType != null) {
                    prop.put("class", javaType);
                }
                answer.put(line, prop);
            }
        } catch (IOException e) {
            throw new LoadPropertiesException(url, e);
        } finally {
            IOHelper.close(is);
        }
    }
    return answer;
}

Example 9 with ClassResolver

use of org.apache.camel.spi.ClassResolver in project camel by apache.

the class CamelContextHelper method findComponents.

/**
     * Finds all possible Components on the classpath, already registered in {@link org.apache.camel.CamelContext},
     * and from the {@link org.apache.camel.spi.Registry}.
     */
public static SortedMap<String, Properties> findComponents(CamelContext camelContext) throws LoadPropertiesException {
    ClassResolver resolver = camelContext.getClassResolver();
    LOG.debug("Finding all components using class resolver: {} -> {}", new Object[] { resolver });
    Enumeration<URL> iter = resolver.loadAllResourcesAsURL(COMPONENT_DESCRIPTOR);
    return findComponents(camelContext, iter);
}

Example 10 with ClassResolver

use of org.apache.camel.spi.ClassResolver in project camel by apache.

the class DefaultCamelContext method getEipParameterJsonSchema.

public String getEipParameterJsonSchema(String eipName) throws IOException {
    // the eip json schema may be in some of the sub-packages so look until we find it
    String[] subPackages = new String[] { "", "/config", "/dataformat", "/language", "/loadbalancer", "/rest" };
    for (String sub : subPackages) {
        String path = CamelContextHelper.MODEL_DOCUMENTATION_PREFIX + sub + "/" + eipName + ".json";
        ClassResolver resolver = getClassResolver();
        InputStream inputStream = resolver.loadResourceAsStream(path);
        if (inputStream != null) {
            log.debug("Loading eip JSON Schema for: {} using class resolver: {} -> {}", new Object[] { eipName, resolver, inputStream });
            try {
                return IOHelper.loadText(inputStream);
            } finally {
                IOHelper.close(inputStream);
            }
        }
    }
    return null;
}