private Path resolveResourceInTheme(App app, String uriWithoutContextPath) {
/* Correct 'uriWithoutContextPath' value must be in
* "/public/themes/{theme-name}/{sub-directory}/{rest-of-the-path}" format.
* So there should be at least 5 slashes. Don't worry about multiple consecutive slashes. They are covered
* in HttpRequest.isValid() method which is called before this method.
*/
int slashesCount = 0, thirdSlashIndex = -1, fourthSlashIndex = -1;
for (int i = 0; i < uriWithoutContextPath.length(); i++) {
if (uriWithoutContextPath.charAt(i) == '/') {
slashesCount++;
if (slashesCount == 3) {
thirdSlashIndex = i;
} else if (slashesCount == 4) {
fourthSlashIndex = i;
} else if (slashesCount == 5) {
break;
}
}
}
if (slashesCount != 5) {
throw new IllegalArgumentException(
"Invalid static resource URI '" + uriWithoutContextPath + "'.");
}
String themeName = uriWithoutContextPath.substring(thirdSlashIndex + 1, fourthSlashIndex);
Theme theme = app.getThemes().get(themeName);
if (theme == null) {
throw new ResourceNotFoundException(
"Theme '"
+ themeName
+ "' found in URI '"
+ uriWithoutContextPath
+ "' does not exists in app '"
+ app.getName()
+ "'.");
}
// {sub-directory}/{rest-of-the-path}
String relativePathString =
uriWithoutContextPath.substring(fourthSlashIndex + 1, uriWithoutContextPath.length());
return Paths.get(theme.getPath(), DIR_NAME_PUBLIC_RESOURCES, relativePathString);
}
private Path resolveResourceInComponent(App app, String uriWithoutContextPath) {
/* Correct 'uriWithoutContextPath' value must be in
* "/public/components/{component-context-path}/{fragment-simple-name}/{sub-directory}/{rest-of-the-path}"
* format or in
* "/public/components/{component-context-path}/base/{sub-directory}/{rest-of-the-path}" format.
* So there should be at least 6 slashes. Don't worry about multiple consecutive slashes. They are covered in
* HttpRequest.isValid() method which is called before this method.
*/
int slashesCount = 0, thirdSlashIndex = -1, fourthSlashIndex = -1, fifthSlashIndex = -1;
for (int i = 0; i < uriWithoutContextPath.length(); i++) {
if (uriWithoutContextPath.charAt(i) == '/') {
slashesCount++;
if (slashesCount == 3) {
thirdSlashIndex = i;
} else if (slashesCount == 4) {
fourthSlashIndex = i;
} else if (slashesCount == 5) {
fifthSlashIndex = i;
} else if (slashesCount == 6) {
break;
}
}
}
if (slashesCount != 6) {
throw new IllegalArgumentException(
"Invalid static resource URI '" + uriWithoutContextPath + "'.");
}
String componentContextPath =
uriWithoutContextPath.substring(thirdSlashIndex, fourthSlashIndex);
Component component = app.getComponents().get(componentContextPath);
if (component == null) {
throw new ResourceNotFoundException(
"Component for context path '"
+ componentContextPath
+ "' found in URI '"
+ uriWithoutContextPath
+ "' does not exists in app '"
+ app.getName()
+ "'.");
}
// {fragment-simple-name} OR 'base'
String fragmentSimpleName =
uriWithoutContextPath.substring(fourthSlashIndex + 1, fifthSlashIndex);
// {sub-directory}/{rest-of-the-path}
String relativePathString =
uriWithoutContextPath.substring(fifthSlashIndex + 1, uriWithoutContextPath.length());
if (DIR_NAME_COMPONENT_RESOURCES.equals(fragmentSimpleName)) {
// Resource is inside the 'public' directory of the 'component'
return Paths.get(component.getPath(), DIR_NAME_PUBLIC_RESOURCES, relativePathString);
} else {
// Resource is inside the 'public' directory of fragment 'fragmentSimpleName' of the
// 'component'
return Paths.get(
component.getPath(),
DIR_NAME_FRAGMENTS,
fragmentSimpleName,
DIR_NAME_PUBLIC_RESOURCES,
relativePathString);
}
}