Examples with IOException java.io.IOException used on opensource projects

Example 31 with IOException

use of java.io.IOException in project camel by apache.

the class FileStateRepository method appendToStore.

/**
     * Appends the {@code <key,value>} pair to the file store
     *
     * @param key the state key
     */
private void appendToStore(String key, String value) {
    if (LOG.isDebugEnabled()) {
        LOG.debug("Appending {}={} to state filestore: {}", new Object[] { key, value, fileStore });
    }
    FileOutputStream fos = null;
    try {
        // create store parent directory if missing
        File storeParentDirectory = fileStore.getParentFile();
        if (storeParentDirectory != null && !storeParentDirectory.exists()) {
            LOG.info("Parent directory of file store {} doesn't exist. Creating.", fileStore);
            if (fileStore.getParentFile().mkdirs()) {
                LOG.info("Parent directory of file store {} successfully created.", fileStore);
            } else {
                LOG.warn("Parent directory of file store {} cannot be created.", fileStore);
            }
        }
        // create store if missing
        if (!fileStore.exists()) {
            FileUtil.createNewFile(fileStore);
        }
        // append to store
        fos = new FileOutputStream(fileStore, true);
        fos.write(key.getBytes());
        fos.write(KEY_VALUE_DELIMITER.getBytes());
        fos.write(value.getBytes());
        fos.write(STORE_DELIMITER.getBytes());
    } catch (IOException e) {
        throw ObjectHelper.wrapRuntimeCamelException(e);
    } finally {
        IOHelper.close(fos, "Appending to file state repository", LOG);
    }
}

Example 32 with IOException

use of java.io.IOException in project camel by apache.

the class FileStateRepository method trunkStore.

/**
     * Trunks the file store when the max store size is hit by rewriting the 1st level cache
     * to the file store.
     */
protected void trunkStore() {
    LOG.info("Trunking state filestore: {}", fileStore);
    FileOutputStream fos = null;
    try {
        fos = new FileOutputStream(fileStore);
        for (Map.Entry<String, String> entry : cache.entrySet()) {
            fos.write(entry.getKey().getBytes());
            fos.write(KEY_VALUE_DELIMITER.getBytes());
            fos.write(entry.getValue().getBytes());
            fos.write(STORE_DELIMITER.getBytes());
        }
    } catch (IOException e) {
        throw ObjectHelper.wrapRuntimeCamelException(e);
    } finally {
        IOHelper.close(fos, "Trunking file state repository", LOG);
    }
}

Example 33 with IOException

use of java.io.IOException in project camel by apache.

the class ContextScopedOnExceptionRouteScopedErrorHandlerRefIssueTwoRoutesTest method createRouteBuilder.

@Override
protected RouteBuilder createRouteBuilder() throws Exception {
    return new RouteBuilder() {

        @Override
        public void configure() throws Exception {
            onException(IllegalArgumentException.class).handled(true).to("mock:handled").end();
            from("direct:foo").errorHandler(new ErrorHandlerBuilderRef("myDLC")).to("mock:foo").throwException(new IOException("Damn IO"));
            from("direct:start").errorHandler(new ErrorHandlerBuilderRef("myDLC")).to("mock:a").throwException(new IllegalArgumentException("Damn"));
        }
    };
}

Example 34 with IOException

use of java.io.IOException in project camel by apache.

the class ExceptionThrownFromOnExceptionTest method testNoExceptionThrownFromOnExceptionAndHandledWithDeadLetterChannel.

public void testNoExceptionThrownFromOnExceptionAndHandledWithDeadLetterChannel() throws Exception {
    RETRY.set(0);
    ON_EXCEPTION_RETRY.set(0);
    context.addRoutes(new RouteBuilder() {

        @Override
        public void configure() throws Exception {
            // DLC
            deadLetterChannel("mock:error").redeliveryDelay(0).maximumRedeliveries(3);
            // on exception to catch all IO exceptions and handle them specially
            onException(IOException.class).maximumRedeliveries(3).handled(true).to("mock:b").process(new Processor() {

                @Override
                public void process(Exchange exchange) throws Exception {
                    ON_EXCEPTION_RETRY.incrementAndGet();
                // no exception is thrown this time
                }
            }).to("mock:c");
            from("direct:start").to("direct:intermediate").to("mock:result");
            from("direct:intermediate").to("mock:a").process(new Processor() {

                @Override
                public void process(Exchange exchange) throws Exception {
                    RETRY.incrementAndGet();
                    throw new IOException("IO error");
                }
            }).to("mock:end");
        }
    });
    context.start();
    getMockEndpoint("mock:a").expectedMessageCount(1);
    getMockEndpoint("mock:b").expectedMessageCount(1);
    getMockEndpoint("mock:c").expectedMessageCount(1);
    getMockEndpoint("mock:result").expectedMessageCount(0);
    getMockEndpoint("mock:end").expectedMessageCount(0);
    // the exception is handled by onException so it goes not in DLC
    getMockEndpoint("mock:error").expectedMessageCount(0);
    // and this time there was no exception thrown from onException,
    // and the exception is handled so the caller should not fail
    template.sendBody("direct:start", "Hello World");
    assertMockEndpointsSatisfied();
    assertEquals("Should try 4 times (1 first, 3 retry)", 4, RETRY.get());
    assertEquals("Should only invoke onException once", 1, ON_EXCEPTION_RETRY.get());
}

Example 35 with IOException

use of java.io.IOException in project camel by apache.

the class ContextScopedOnExceptionNotHandledErrorHandlerRefIssueTwoRoutesTest method createRouteBuilder.

@Override
protected RouteBuilder createRouteBuilder() throws Exception {
    return new RouteBuilder() {

        @Override
        public void configure() throws Exception {
            errorHandler(new ErrorHandlerBuilderRef("myDLC"));
            onException(IllegalArgumentException.class).handled(false).to("mock:handled").end();
            from("direct:foo").to("mock:foo").throwException(new IOException("Damn IO"));
            from("direct:start").to("mock:a").throwException(new IllegalArgumentException("Damn"));
        }
    };
}