Example usage for java.lang String getClass

List of usage examples for java.lang String getClass

Introduction

In this page you can find the example usage for java.lang String getClass.

Prototype

@HotSpotIntrinsicCandidate
public final native Class<?> getClass();

Source Link

Document

Returns the runtime class of this Object .

Usage

From source file:org.springframework.cloud.stream.app.http.source.DefaultMixedCaseContentTypeHttpHeaderMapper.java

private void setHttpHeader(HttpHeaders target, String name, Object value) {
    if (ACCEPT.equalsIgnoreCase(name)) {
        if (value instanceof Collection<?>) {
            Collection<?> values = (Collection<?>) value;
            if (!CollectionUtils.isEmpty(values)) {
                List<MediaType> acceptableMediaTypes = new ArrayList<MediaType>();
                for (Object type : values) {
                    if (type instanceof MediaType) {
                        acceptableMediaTypes.add((MediaType) type);
                    } else if (type instanceof String) {
                        acceptableMediaTypes.addAll(MediaType.parseMediaTypes((String) type));
                    } else {
                        Class<?> clazz = (type != null) ? type.getClass() : null;
                        throw new IllegalArgumentException(
                                "Expected MediaType or String value for 'Accept' header value, but received: "
                                        + clazz);
                    }/* www.  j ava2s .  com*/
                }
                target.setAccept(acceptableMediaTypes);
            }
        } else if (value instanceof MediaType) {
            target.setAccept(Collections.singletonList((MediaType) value));
        } else if (value instanceof String[]) {
            List<MediaType> acceptableMediaTypes = new ArrayList<MediaType>();
            for (String next : (String[]) value) {
                acceptableMediaTypes.add(MediaType.parseMediaType(next));
            }
            target.setAccept(acceptableMediaTypes);
        } else if (value instanceof String) {
            target.setAccept(MediaType.parseMediaTypes((String) value));
        } else {
            Class<?> clazz = (value != null) ? value.getClass() : null;
            throw new IllegalArgumentException(
                    "Expected MediaType or String value for 'Accept' header value, but received: " + clazz);
        }
    } else if (ACCEPT_CHARSET.equalsIgnoreCase(name)) {
        if (value instanceof Collection<?>) {
            Collection<?> values = (Collection<?>) value;
            if (!CollectionUtils.isEmpty(values)) {
                List<Charset> acceptableCharsets = new ArrayList<Charset>();
                for (Object charset : values) {
                    if (charset instanceof Charset) {
                        acceptableCharsets.add((Charset) charset);
                    } else if (charset instanceof String) {
                        acceptableCharsets.add(Charset.forName((String) charset));
                    } else {
                        Class<?> clazz = (charset != null) ? charset.getClass() : null;
                        throw new IllegalArgumentException(
                                "Expected Charset or String value for 'Accept-Charset' header value, but received: "
                                        + clazz);
                    }
                }
                target.setAcceptCharset(acceptableCharsets);
            }
        } else if (value instanceof Charset[] || value instanceof String[]) {
            List<Charset> acceptableCharsets = new ArrayList<Charset>();
            Object[] values = ObjectUtils.toObjectArray(value);
            for (Object charset : values) {
                if (charset instanceof Charset) {
                    acceptableCharsets.add((Charset) charset);
                } else if (charset instanceof String) {
                    acceptableCharsets.add(Charset.forName((String) charset));
                }
            }
            target.setAcceptCharset(acceptableCharsets);
        } else if (value instanceof Charset) {
            target.setAcceptCharset(Collections.singletonList((Charset) value));
        } else if (value instanceof String) {
            String[] charsets = StringUtils.commaDelimitedListToStringArray((String) value);
            List<Charset> acceptableCharsets = new ArrayList<Charset>();
            for (String charset : charsets) {
                acceptableCharsets.add(Charset.forName(charset.trim()));
            }
            target.setAcceptCharset(acceptableCharsets);
        } else {
            Class<?> clazz = (value != null) ? value.getClass() : null;
            throw new IllegalArgumentException(
                    "Expected Charset or String value for 'Accept-Charset' header value, but received: "
                            + clazz);
        }
    } else if (ALLOW.equalsIgnoreCase(name)) {
        if (value instanceof Collection<?>) {
            Collection<?> values = (Collection<?>) value;
            if (!CollectionUtils.isEmpty(values)) {
                Set<HttpMethod> allowedMethods = new HashSet<HttpMethod>();
                for (Object method : values) {
                    if (method instanceof HttpMethod) {
                        allowedMethods.add((HttpMethod) method);
                    } else if (method instanceof String) {
                        allowedMethods.add(HttpMethod.valueOf((String) method));
                    } else {
                        Class<?> clazz = (method != null) ? method.getClass() : null;
                        throw new IllegalArgumentException(
                                "Expected HttpMethod or String value for 'Allow' header value, but received: "
                                        + clazz);
                    }
                }
                target.setAllow(allowedMethods);
            }
        } else {
            if (value instanceof HttpMethod) {
                target.setAllow(Collections.singleton((HttpMethod) value));
            } else if (value instanceof HttpMethod[]) {
                Set<HttpMethod> allowedMethods = new HashSet<HttpMethod>();
                Collections.addAll(allowedMethods, (HttpMethod[]) value);
                target.setAllow(allowedMethods);
            } else if (value instanceof String || value instanceof String[]) {
                String[] values = (value instanceof String[]) ? (String[]) value
                        : StringUtils.commaDelimitedListToStringArray((String) value);
                Set<HttpMethod> allowedMethods = new HashSet<HttpMethod>();
                for (String next : values) {
                    allowedMethods.add(HttpMethod.valueOf(next.trim()));
                }
                target.setAllow(allowedMethods);
            } else {
                Class<?> clazz = (value != null) ? value.getClass() : null;
                throw new IllegalArgumentException(
                        "Expected HttpMethod or String value for 'Allow' header value, but received: " + clazz);
            }
        }
    } else if (CACHE_CONTROL.equalsIgnoreCase(name)) {
        if (value instanceof String) {
            target.setCacheControl((String) value);
        } else {
            Class<?> clazz = (value != null) ? value.getClass() : null;
            throw new IllegalArgumentException(
                    "Expected String value for 'Cache-Control' header value, but received: " + clazz);
        }
    } else if (CONTENT_LENGTH.equalsIgnoreCase(name)) {
        if (value instanceof Number) {
            target.setContentLength(((Number) value).longValue());
        } else if (value instanceof String) {
            target.setContentLength(Long.parseLong((String) value));
        } else {
            Class<?> clazz = (value != null) ? value.getClass() : null;
            throw new IllegalArgumentException(
                    "Expected Number or String value for 'Content-Length' header value, but received: "
                            + clazz);
        }
    } else if (MessageHeaders.CONTENT_TYPE.equalsIgnoreCase(name)) {
        if (value instanceof MediaType) {
            target.setContentType((MediaType) value);
        } else if (value instanceof String) {
            target.setContentType(MediaType.parseMediaType((String) value));
        } else {
            Class<?> clazz = (value != null) ? value.getClass() : null;
            throw new IllegalArgumentException(
                    "Expected MediaType or String value for 'Content-Type' header value, but received: "
                            + clazz);
        }
    } else if (DATE.equalsIgnoreCase(name)) {
        if (value instanceof Date) {
            target.setDate(((Date) value).getTime());
        } else if (value instanceof Number) {
            target.setDate(((Number) value).longValue());
        } else if (value instanceof String) {
            try {
                target.setDate(Long.parseLong((String) value));
            } catch (NumberFormatException e) {
                target.setDate(this.getFirstDate((String) value, DATE));
            }
        } else {
            Class<?> clazz = (value != null) ? value.getClass() : null;
            throw new IllegalArgumentException(
                    "Expected Date, Number, or String value for 'Date' header value, but received: " + clazz);
        }
    } else if (ETAG.equalsIgnoreCase(name)) {
        if (value instanceof String) {
            target.setETag((String) value);
        } else {
            Class<?> clazz = (value != null) ? value.getClass() : null;
            throw new IllegalArgumentException(
                    "Expected String value for 'ETag' header value, but received: " + clazz);
        }
    } else if (EXPIRES.equalsIgnoreCase(name)) {
        if (value instanceof Date) {
            target.setExpires(((Date) value).getTime());
        } else if (value instanceof Number) {
            target.setExpires(((Number) value).longValue());
        } else if (value instanceof String) {
            try {
                target.setExpires(Long.parseLong((String) value));
            } catch (NumberFormatException e) {
                target.setExpires(this.getFirstDate((String) value, EXPIRES));
            }
        } else {
            Class<?> clazz = (value != null) ? value.getClass() : null;
            throw new IllegalArgumentException(
                    "Expected Date, Number, or String value for 'Expires' header value, but received: "
                            + clazz);
        }
    } else if (IF_MODIFIED_SINCE.equalsIgnoreCase(name)) {
        if (value instanceof Date) {
            target.setIfModifiedSince(((Date) value).getTime());
        } else if (value instanceof Number) {
            target.setIfModifiedSince(((Number) value).longValue());
        } else if (value instanceof String) {
            try {
                target.setIfModifiedSince(Long.parseLong((String) value));
            } catch (NumberFormatException e) {
                target.setIfModifiedSince(this.getFirstDate((String) value, IF_MODIFIED_SINCE));
            }
        } else {
            Class<?> clazz = (value != null) ? value.getClass() : null;
            throw new IllegalArgumentException(
                    "Expected Date, Number, or String value for 'If-Modified-Since' header value, but received: "
                            + clazz);
        }
    } else if (IF_UNMODIFIED_SINCE.equalsIgnoreCase(name)) {
        String ifUnmodifiedSinceValue = null;
        if (value instanceof Date) {
            ifUnmodifiedSinceValue = this.formatDate(((Date) value).getTime());
        } else if (value instanceof Number) {
            ifUnmodifiedSinceValue = this.formatDate(((Number) value).longValue());
        } else if (value instanceof String) {
            try {
                ifUnmodifiedSinceValue = this.formatDate(Long.parseLong((String) value));
            } catch (NumberFormatException e) {
                long longValue = this.getFirstDate((String) value, IF_UNMODIFIED_SINCE);
                ifUnmodifiedSinceValue = this.formatDate(longValue);
            }
        } else {
            Class<?> clazz = (value != null) ? value.getClass() : null;
            throw new IllegalArgumentException(
                    "Expected Date, Number, or String value for 'If-Unmodified-Since' header value, but received: "
                            + clazz);
        }
        target.set(IF_UNMODIFIED_SINCE, ifUnmodifiedSinceValue);
    } else if (IF_NONE_MATCH.equalsIgnoreCase(name)) {
        if (value instanceof String) {
            target.setIfNoneMatch((String) value);
        } else if (value instanceof String[]) {
            String delmitedString = StringUtils.arrayToCommaDelimitedString((String[]) value);
            target.setIfNoneMatch(delmitedString);
        } else if (value instanceof Collection) {
            Collection<?> values = (Collection<?>) value;
            if (!CollectionUtils.isEmpty(values)) {
                List<String> ifNoneMatchList = new ArrayList<String>();
                for (Object next : values) {
                    if (next instanceof String) {
                        ifNoneMatchList.add((String) next);
                    } else {
                        Class<?> clazz = (next != null) ? next.getClass() : null;
                        throw new IllegalArgumentException(
                                "Expected String value for 'If-None-Match' header value, but received: "
                                        + clazz);
                    }
                }
                target.setIfNoneMatch(ifNoneMatchList);
            }
        }
    } else if (LAST_MODIFIED.equalsIgnoreCase(name)) {
        if (value instanceof Date) {
            target.setLastModified(((Date) value).getTime());
        } else if (value instanceof Number) {
            target.setLastModified(((Number) value).longValue());
        } else if (value instanceof String) {
            try {
                target.setLastModified(Long.parseLong((String) value));
            } catch (NumberFormatException e) {
                target.setLastModified(this.getFirstDate((String) value, LAST_MODIFIED));
            }
        } else {
            Class<?> clazz = (value != null) ? value.getClass() : null;
            throw new IllegalArgumentException(
                    "Expected Date, Number, or String value for 'Last-Modified' header value, but received: "
                            + clazz);
        }
    } else if (LOCATION.equalsIgnoreCase(name)) {
        if (value instanceof URI) {
            target.setLocation((URI) value);
        } else if (value instanceof String) {
            try {
                target.setLocation(new URI((String) value));
            } catch (URISyntaxException e) {
                throw new IllegalArgumentException(e);
            }
        } else {
            Class<?> clazz = (value != null) ? value.getClass() : null;
            throw new IllegalArgumentException(
                    "Expected URI or String value for 'Location' header value, but received: " + clazz);
        }
    } else if (PRAGMA.equalsIgnoreCase(name)) {
        if (value instanceof String) {
            target.setPragma((String) value);
        } else {
            Class<?> clazz = (value != null) ? value.getClass() : null;
            throw new IllegalArgumentException(
                    "Expected String value for 'Pragma' header value, but received: " + clazz);
        }
    } else if (value instanceof String) {
        target.set(name, (String) value);
    } else if (value instanceof String[]) {
        for (String next : (String[]) value) {
            target.add(name, next);
        }
    } else if (value instanceof Iterable<?>) {
        for (Object next : (Iterable<?>) value) {
            String convertedValue = null;
            if (next instanceof String) {
                convertedValue = (String) next;
            } else {
                convertedValue = this.convertToString(value);
            }
            if (StringUtils.hasText(convertedValue)) {
                target.add(name, convertedValue);
            } else {
                logger.warn("Element of the header '" + name + "' with value '" + value
                        + "' will not be set since it is not a String and no Converter is available. "
                        + "Consider registering a Converter with ConversionService (e.g., <int:converter>)");
            }
        }
    } else {
        String convertedValue = this.convertToString(value);
        if (StringUtils.hasText(convertedValue)) {
            target.set(name, convertedValue);
        } else {
            logger.warn("Header '" + name + "' with value '" + value
                    + "' will not be set since it is not a String and no Converter is available. "
                    + "Consider registering a Converter with ConversionService (e.g., <int:converter>)");
        }
    }
}