https://freemarker.apache.org/: FreeMarker is a "template engine"; a generic tool to generate text output based on templates. (Apache Software Foundation) 
public abstract class freemarker.cache.URLTemplateLoader implements freemarker.cache.TemplateLoader
  minor version: 0
  major version: 59
  flags: flags: (0x0421) ACC_PUBLIC, ACC_SUPER, ACC_ABSTRACT
  this_class: freemarker.cache.URLTemplateLoader
  super_class: java.lang.Object
{
  private java.lang.Boolean urlConnectionUsesCaches;
    descriptor: Ljava/lang/Boolean;
    flags: (0x0002) ACC_PRIVATE

  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // freemarker.cache.URLTemplateLoader this
         0: .line 37
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // freemarker.cache.URLTemplateLoader this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lfreemarker/cache/URLTemplateLoader;

  public java.lang.Object findTemplateSource(java.lang.String);
    descriptor: (Ljava/lang/String;)Ljava/lang/Object;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=3, args_size=2
        start local 0 // freemarker.cache.URLTemplateLoader this
        start local 1 // java.lang.String name
         0: .line 43
            aload 0 /* this */
            aload 1 /* name */
            invokevirtual freemarker.cache.URLTemplateLoader.getURL:(Ljava/lang/String;)Ljava/net/URL;
            astore 2 /* url */
        start local 2 // java.net.URL url
         1: .line 44
            aload 2 /* url */
            ifnonnull 2
            aconst_null
            goto 3
      StackMap locals: java.net.URL
      StackMap stack:
         2: new freemarker.cache.URLTemplateSource
            dup
            aload 2 /* url */
            aload 0 /* this */
            invokevirtual freemarker.cache.URLTemplateLoader.getURLConnectionUsesCaches:()Ljava/lang/Boolean;
            invokespecial freemarker.cache.URLTemplateSource.<init>:(Ljava/net/URL;Ljava/lang/Boolean;)V
      StackMap locals:
      StackMap stack: freemarker.cache.URLTemplateSource
         3: areturn
        end local 2 // java.net.URL url
        end local 1 // java.lang.String name
        end local 0 // freemarker.cache.URLTemplateLoader this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0  this  Lfreemarker/cache/URLTemplateLoader;
            0    4     1  name  Ljava/lang/String;
            1    4     2   url  Ljava/net/URL;
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      name  

  public long getLastModified(java.lang.Object);
    descriptor: (Ljava/lang/Object;)J
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // freemarker.cache.URLTemplateLoader this
        start local 1 // java.lang.Object templateSource
         0: .line 48
            aload 1 /* templateSource */
            checkcast freemarker.cache.URLTemplateSource
            invokevirtual freemarker.cache.URLTemplateSource.lastModified:()J
            lreturn
        end local 1 // java.lang.Object templateSource
        end local 0 // freemarker.cache.URLTemplateLoader this
      LocalVariableTable:
        Start  End  Slot            Name  Signature
            0    1     0            this  Lfreemarker/cache/URLTemplateLoader;
            0    1     1  templateSource  Ljava/lang/Object;
    MethodParameters:
                Name  Flags
      templateSource  

  public java.io.Reader getReader(java.lang.Object, java.lang.String);
    descriptor: (Ljava/lang/Object;Ljava/lang/String;)Ljava/io/Reader;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=3, args_size=3
        start local 0 // freemarker.cache.URLTemplateLoader this
        start local 1 // java.lang.Object templateSource
        start local 2 // java.lang.String encoding
         0: .line 53
            new java.io.InputStreamReader
            dup
         1: .line 54
            aload 1 /* templateSource */
            checkcast freemarker.cache.URLTemplateSource
            invokevirtual freemarker.cache.URLTemplateSource.getInputStream:()Ljava/io/InputStream;
         2: .line 55
            aload 2 /* encoding */
         3: .line 53
            invokespecial java.io.InputStreamReader.<init>:(Ljava/io/InputStream;Ljava/lang/String;)V
            areturn
        end local 2 // java.lang.String encoding
        end local 1 // java.lang.Object templateSource
        end local 0 // freemarker.cache.URLTemplateLoader this
      LocalVariableTable:
        Start  End  Slot            Name  Signature
            0    4     0            this  Lfreemarker/cache/URLTemplateLoader;
            0    4     1  templateSource  Ljava/lang/Object;
            0    4     2        encoding  Ljava/lang/String;
    Exceptions:
      throws java.io.IOException
    MethodParameters:
                Name  Flags
      templateSource  
      encoding        

  public void closeTemplateSource(java.lang.Object);
    descriptor: (Ljava/lang/Object;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=2, args_size=2
        start local 0 // freemarker.cache.URLTemplateLoader this
        start local 1 // java.lang.Object templateSource
         0: .line 60
            aload 1 /* templateSource */
            checkcast freemarker.cache.URLTemplateSource
            invokevirtual freemarker.cache.URLTemplateSource.close:()V
         1: .line 61
            return
        end local 1 // java.lang.Object templateSource
        end local 0 // freemarker.cache.URLTemplateLoader this
      LocalVariableTable:
        Start  End  Slot            Name  Signature
            0    2     0            this  Lfreemarker/cache/URLTemplateLoader;
            0    2     1  templateSource  Ljava/lang/Object;
    Exceptions:
      throws java.io.IOException
    MethodParameters:
                Name  Flags
      templateSource  

  public java.lang.Boolean getURLConnectionUsesCaches();
    descriptor: ()Ljava/lang/Boolean;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // freemarker.cache.URLTemplateLoader this
         0: .line 69
            aload 0 /* this */
            getfield freemarker.cache.URLTemplateLoader.urlConnectionUsesCaches:Ljava/lang/Boolean;
            areturn
        end local 0 // freemarker.cache.URLTemplateLoader this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lfreemarker/cache/URLTemplateLoader;

  public void setURLConnectionUsesCaches(java.lang.Boolean);
    descriptor: (Ljava/lang/Boolean;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // freemarker.cache.URLTemplateLoader this
        start local 1 // java.lang.Boolean urlConnectionUsesCaches
         0: .line 89
            aload 0 /* this */
            aload 1 /* urlConnectionUsesCaches */
            putfield freemarker.cache.URLTemplateLoader.urlConnectionUsesCaches:Ljava/lang/Boolean;
         1: .line 90
            return
        end local 1 // java.lang.Boolean urlConnectionUsesCaches
        end local 0 // freemarker.cache.URLTemplateLoader this
      LocalVariableTable:
        Start  End  Slot                     Name  Signature
            0    2     0                     this  Lfreemarker/cache/URLTemplateLoader;
            0    2     1  urlConnectionUsesCaches  Ljava/lang/Boolean;
    MethodParameters:
                         Name  Flags
      urlConnectionUsesCaches  

  protected abstract java.net.URL getURL(java.lang.String);
    descriptor: (Ljava/lang/String;)Ljava/net/URL;
    flags: (0x0404) ACC_PROTECTED, ACC_ABSTRACT
    MethodParameters:
      Name  Flags
      name  

  protected static java.lang.String canonicalizePrefix(java.lang.String);
    descriptor: (Ljava/lang/String;)Ljava/lang/String;
    flags: (0x000c) ACC_PROTECTED, ACC_STATIC
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // java.lang.String prefix
         0: .line 110
            aload 0 /* prefix */
            bipush 92
            bipush 47
            invokevirtual java.lang.String.replace:(CC)Ljava/lang/String;
            astore 0 /* prefix */
         1: .line 112
            aload 0 /* prefix */
            invokevirtual java.lang.String.length:()I
            ifle 3
            aload 0 /* prefix */
            ldc "/"
            invokevirtual java.lang.String.endsWith:(Ljava/lang/String;)Z
            ifne 3
         2: .line 113
            new java.lang.StringBuilder
            dup
            aload 0 /* prefix */
            invokestatic java.lang.String.valueOf:(Ljava/lang/Object;)Ljava/lang/String;
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            ldc "/"
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/String;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            astore 0 /* prefix */
         3: .line 115
      StackMap locals:
      StackMap stack:
            aload 0 /* prefix */
            areturn
        end local 0 // java.lang.String prefix
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    4     0  prefix  Ljava/lang/String;
    MethodParameters:
        Name  Flags
      prefix  
}
SourceFile: "URLTemplateLoader.java"