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library.md: cleanup, fixes

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Yann Cébron 2022-05-09 15:05:24 +02:00
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topics/reference_guide/project_model/library.md
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@ -9,12 +9,12 @@ The IntelliJ Platform supports three types of libraries:
* **Project Library**: the library classes are visible within the project and the library information is recorded under <path>.idea/libraries</path> directory or in the project <path>.ipr</path> file.
* **Global Library**: the library information is recorded in the <path>applicationLibraries.xml</path> file in <path>$USER_HOME$/.IntelliJIdea/config/options</path> directory. Global libraries are similar to project libraries, but are visible for different projects.
For more information about libraries, refer to [Libraries](https://www.jetbrains.com/help/idea/working-with-libraries.html).
For more information about libraries, refer to [Libraries](https://www.jetbrains.com/help/idea/library.html).
A particular type of programmatically defined libraries is [Predefined Libraries](#predefined-libraries).
## Accessing Libraries and Jars
Package [`libraries`](upsource:///platform/projectModel-api/src/com/intellij/openapi/roots/libraries) provides functionality for working with project libraries and jars.
Package [`com.intellij.openapi.roots.libraries`](upsource:///platform/projectModel-api/src/com/intellij/openapi/roots/libraries) provides functionality for working with project libraries and JAR files.
### Getting a List of Libraries a Module Depends On
To get the list of libraries that a module depends on, use `OrderEnumerator.forEachLibrary` as follows.
@ -32,10 +32,10 @@ This sample code outputs a list of libraries that the given module depends on.
### Getting a List of All Libraries
To manage the lists of application and project libraries, use [`LibraryTable`](upsource:///platform/projectModel-api/src/com/intellij/openapi/roots/libraries/LibraryTable.java).
The list of application-level library tables is accessed by calling `LibraryTablesRegistrar.getInstance().getLibraryTable()`, whereas the list of project-level library tables is accessed through `LibraryTablesRegistrar.getInstance().getLibraryTable()`.
The list of application-level library tables is accessed by calling [`LibraryTablesRegistrar.getLibraryTable()`](upsource:///platform/projectModel-api/src/com/intellij/openapi/roots/libraries/LibraryTablesRegistrar.java), whereas the list of project-level library tables is accessed via `LibraryTablesRegistrar.getLibraryTable(Project)`.
Once you have a `LibraryTable`, you can get the libraries in it by calling `LibraryTable.getLibraries()`.
To get the list of all module libraries defined in a given module, use the following API:
To get the list of all module libraries defined in a given module, use API from [`OrderEntryUtil`](upsource:///platform/projectModel-impl/src/com/intellij/openapi/roots/impl/OrderEntryUtil.java):
```java
OrderEntryUtil.getModuleLibraries(ModuleRootManager.getInstance(module));
@ -53,7 +53,7 @@ for (String each : lib.getUrls(OrderRootType.SOURCES)) {
}
roots.append("Classes:\n");
for (String each : lib.getUrls(OrderRootType.CLASSES)) {
strRoots.append(each).append("\n");
roots.append(each).append("\n");
}
Messages.showInfoMessage(roots.toString(), "Library Info");
```
@ -80,7 +80,7 @@ To add or change the roots of a library, you need to perform the following steps
* Commit the model using `Library.ModifiableModel.commit()`.
### Adding a Library Dependency to a Module
Use `ModuleRootModificationUtil.addDependency(module, library)` from under a write action.
Use `ModuleRootModificationUtil.addDependency(Module, Library)` from under a [write action](general_threading_rules.md#read-write-lock).
### Checking Belonging to a Library
The [`ProjectFileIndex`](upsource:///platform/projectModel-api/src/com/intellij/openapi/roots/ProjectFileIndex.java) interface implements a number of methods you can use to check whether the specified file belongs to the project library classes or library sources.