/**
* Return all values for the given header as a List of value objects.
*
* @param name the name of the header
* @return the associated header values, or an empty List if none
*/
public List<Object> getHeaderValues(String name) {
HeaderValueHolder header = HeaderValueHolder.getByName(this.headers, name);
if (header != null) {
return header.getValues();
} else {
return Collections.emptyList();
}
}
private void doAddHeaderValue(String name, Object value, boolean replace) {
HeaderValueHolder header = HeaderValueHolder.getByName(this.headers, name);
Assert.notNull(value, "Header value must not be null");
if (header == null) {
header = new HeaderValueHolder();
this.headers.put(name, header);
}
if (replace) {
header.setValue(value);
} else {
header.addValue(value);
}
}
public int getIntHeader(String name) {
HeaderValueHolder header = HeaderValueHolder.getByName(this.headers, name);
Object value = (header != null ? header.getValue() : null);
if (value instanceof Number) {
return ((Number) value).intValue();
} else if (value instanceof String) {
return Integer.parseInt((String) value);
} else if (value != null) {
throw new NumberFormatException("Value for header '" + name + "' is not a Number: " + value);
} else {
return -1;
}
}
public void addHeader(String name, Object value) {
HeaderValueHolder header = HeaderValueHolder.getByName(this.headers, name);
if (header == null) {
header = new HeaderValueHolder();
this.headers.put(name, header);
}
if (value instanceof Collection) {
header.addValues((Collection) value);
} else if (value.getClass().isArray()) {
header.addValueArray(value);
} else {
header.addValue(value);
}
}
public long getDateHeader(String name) {
HeaderValueHolder header = HeaderValueHolder.getByName(this.headers, name);
Object value = (header != null ? header.getValue() : null);
if (value instanceof Date) {
return ((Date) value).getTime();
} else if (value instanceof Number) {
return ((Number) value).longValue();
} else if (value != null) {
throw new IllegalArgumentException(
"Value for header '" + name + "' is neither a Date nor a Number: " + value);
} else {
return -1L;
}
}
@SuppressWarnings("rawtypes")
private void doAddHeaderValue(String name, Object value, boolean replace) {
HeaderValueHolder header = HeaderValueHolder.getByName(this.headers, name);
Assert.notNull(value, "Header value must not be null");
if (header == null || replace) {
header = new HeaderValueHolder();
this.headers.put(name, header);
}
if (value instanceof Collection) {
header.addValues((Collection) value);
} else if (value.getClass().isArray()) {
header.addValueArray(value);
} else {
header.addValue(value);
}
}
@Override
public Enumeration getHeaders(String name) {
HeaderValueHolder header = HeaderValueHolder.getByName(this.headers, name);
return Collections.enumeration(header != null ? header.getValues() : Collections.EMPTY_LIST);
}
@Override
public String getHeader(String name) {
HeaderValueHolder header = HeaderValueHolder.getByName(this.headers, name);
return (header != null ? header.getValue().toString() : null);
}
/**
* Return the primary value for the given header, if any.
*
* <p>Will return the first value in case of multiple values.
*
* @param name the name of the header
* @return the associated header value, or {@code null} if none
*/
public Object getHeaderValue(String name) {
HeaderValueHolder header = HeaderValueHolder.getByName(this.headers, name);
return (header != null ? header.getValue() : null);
}
@Override
public boolean containsHeader(String name) {
return (HeaderValueHolder.getByName(this.headers, name) != null);
}
public Enumeration<String> getHeaders(String name) {
HeaderValueHolder header = HeaderValueHolder.getByName(this.headers, name);
return Collections.enumeration(
header != null ? header.getStringValues() : new LinkedList<String>());
}