Package org.apache.camel

Examples of org.apache.camel.StreamCache

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            // check if body is already cached
            Object body = exchange.getIn().getBody();
            if (body == null) {
                return null;
            } else if (body instanceof StreamCache) {
                StreamCache sc = (StreamCache) body;
                // reset so the cache is ready to be used before processing
                sc.reset();
                return sc;
            }
            // cache the body and if we could do that replace it as the new body
            StreamCache sc = strategy.cache(exchange);
            if (sc != null) {
                exchange.getIn().setBody(sc);
            }
            return sc;
        }
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    public static String extractBodyAsString(Message message) {
        if (message == null) {
            return null;
        }

        StreamCache newBody = message.getBody(StreamCache.class);
        if (newBody != null) {
            message.setBody(newBody);
        }

        Object answer = message.getBody(String.class);
        if (answer == null) {
            answer = message.getBody();
        }

        if (newBody != null) {
            // Reset the InputStreamCache
            newBody.reset();
        }

        return answer != null ? answer.toString() : null;
    }
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                return prepend + "[Body is file based: " + obj + "]";
            }
        }

        // is the body a stream cache
        StreamCache cache;
        if (obj instanceof StreamCache) {
            cache = (StreamCache)obj;
        } else {
            cache = null;
        }

        // grab the message body as a string
        String body = null;
        if (message.getExchange() != null) {
            try {
                body = message.getExchange().getContext().getTypeConverter().convertTo(String.class, message.getExchange(), obj);
            } catch (Exception e) {
                // ignore as the body is for logging purpose
            }
        }
        if (body == null) {
            body = obj.toString();
        }

        // reset stream cache after use
        if (cache != null) {
            cache.reset();
        }

        if (body == null) {
            return prepend + "[Body is null]";
        }
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            // check if body is already cached
            Object body = exchange.getIn().getBody();
            if (body == null) {
                return null;
            } else if (body instanceof StreamCache) {
                StreamCache sc = (StreamCache) body;
                // reset so the cache is ready to be used before processing
                sc.reset();
                return sc;
            }
            // cache the body and if we could do that replace it as the new body
            StreamCache sc = strategy.cache(exchange);
            if (sc != null) {
                exchange.getIn().setBody(sc);
            }
            return sc;
        }
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    public static String extractBodyAsString(Message message) {
        if (message == null) {
            return null;
        }

        StreamCache newBody = message.getBody(StreamCache.class);
        if (newBody != null) {
            message.setBody(newBody);
        }

        Object answer = message.getBody(String.class);
        if (answer == null) {
            answer = message.getBody();
        }

        if (newBody != null) {
            // Reset the InputStreamCache
            newBody.reset();
        }

        return answer != null ? answer.toString() : null;
    }
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                return prepend + "[Body is file based: " + obj + "]";
            }
        }

        // is the body a stream cache
        StreamCache cache;
        if (obj instanceof StreamCache) {
            cache = (StreamCache)obj;
        } else {
            cache = null;
        }

        // grab the message body as a string
        String body = null;
        if (message.getExchange() != null) {
            try {
                body = message.getExchange().getContext().getTypeConverter().convertTo(String.class, obj);
            } catch (Exception e) {
                // ignore as the body is for logging purpose
            }
        }
        if (body == null) {
            body = obj.toString();
        }

        // reset stream cache after use
        if (cache != null) {
            cache.reset();
        }

        if (body == null) {
            return prepend + "[Body is null]";
        }
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        File file = new File("./target/cachedir");
        String[] files = file.list();
        assertEquals("we should have a temp file", files.length, 1);
        assertTrue("The file name should start with cos" , files[0].startsWith("cos"));
       
        StreamCache cache = cos.getStreamCache();
        assertTrue("Should get the FileInputStreamCache", cache instanceof FileInputStreamCache);
        String temp = toString((InputStream)cache);

        ((InputStream)cache).close();
        assertEquals("we should have a temp file", files.length, 1);
        assertEquals("Cached a wrong file", temp, TEST_STRING);
        exchange.getUnitOfWork().done(exchange);

        try {
            cache.reset();
            // The stream is closed, so the temp file is gone.
            fail("we expect the exception here");
        } catch (Exception exception) {
            // do nothing
        }
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        File file = new File("./target/cachedir");
        String[] files = file.list();
        assertEquals("we should have a temp file", files.length, 1);
        assertTrue("The file name should start with cos" , files[0].startsWith("cos"));
       
        StreamCache cache = cos.getStreamCache();
        assertTrue("Should get the FileInputStreamCache", cache instanceof FileInputStreamCache);
        String temp = toString((InputStream)cache);
        assertEquals("Cached a wrong file", temp, TEST_STRING);
        cache.reset();
        temp = toString((InputStream)cache);
        assertEquals("Cached a wrong file", temp, TEST_STRING);       
        exchange.getUnitOfWork().done(exchange);
        assertEquals("we should have a temp file", files.length, 1);
        ((InputStream)cache).close();
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        File file = new File("./target/cachedir");
        String[] files = file.list();

        assertEquals("we should have no temp file", files.length, 0);
        StreamCache cache = cos.getStreamCache();
        assertTrue("Should get the InputStreamCache", cache instanceof InputStreamCache);
        String temp = IOConverter.toString((InputStream)cache, null);
        assertEquals("Cached a wrong file", temp, TEST_STRING);
    }
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        File file = new File("./target/cachedir");
        String[] files = file.list();

        assertEquals("we should have no temp file", files.length, 0);
        StreamCache cache = cos.getStreamCache();
        assertTrue("Should get the InputStreamCache", cache instanceof InputStreamCache);
        String temp = IOConverter.toString((InputStream)cache, null);
        assertEquals("Cached a wrong file", temp, TEST_STRING);

        exchange.getUnitOfWork().done(exchange);
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  • org.apache.camel.processor.CamelInternalProcessor$StreamCachingAdvice
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