activemq-protobuf/src/main/java/org/apache/activemq/protobuf/compiler/AltJavaGenerator.java [2266:2402]:
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    private boolean equals(String o1, String o2) {
        if( o1==o2 )
            return true;
        if( o1==null || o2==null )
            return false;
        return o1.equals(o2);
    }

    private String javaClassName(ProtoDescriptor proto) {
        return getOption(proto.getOptions(), "java_outer_classname", uCamel(removeFileExtension(proto.getName())));
    }
    
    private boolean isMultipleFilesEnabled(ProtoDescriptor proto) {
        return "true".equals(getOption(proto.getOptions(), "java_multiple_files", "false"));
    }


    private String javaPackage(ProtoDescriptor proto) {
        String name = proto.getPackageName();
        if( name!=null ) {
            name = name.replace('-', '.');
            name = name.replace('/', '.');
        }
        return getOption(proto.getOptions(), "java_package", name);
    }


    // ----------------------------------------------------------------
    // Internal Helper methods
    // ----------------------------------------------------------------

    private void indent() {
        indent++;
    }

    private void unindent() {
        indent--;
    }

    private void p(String line) {
        // Indent...
        for (int i = 0; i < indent; i++) {
            w.print("   ");
        }
        // Then print.
        w.println(line);
    }

    private void p() {
        w.println();
    }

    private String getOption(Map<String, OptionDescriptor> options, String optionName, String defaultValue) {
        OptionDescriptor optionDescriptor = options.get(optionName);
        if (optionDescriptor == null) {
            return defaultValue;
        }
        return optionDescriptor.getValue();
    }
        
    static private String removeFileExtension(String name) {
        return name.replaceAll("\\..*", "");
    }

    static private String uCamel(String name) {
        boolean upNext=true;
        StringBuilder sb = new StringBuilder();
        for (int i = 0; i < name.length(); i++) {
            char c = name.charAt(i);
            if( Character.isJavaIdentifierPart(c) && Character.isLetterOrDigit(c)) {
                if( upNext ) {
                    c = Character.toUpperCase(c);
                    upNext=false;
                }
                sb.append(c);
            } else {
                upNext=true;
            }
        }
        return sb.toString();
    }

    static private String lCamel(String name) {
        if( name == null || name.length()<1 )
            return name;
        String uCamel = uCamel(name);
        return uCamel.substring(0,1).toLowerCase()+uCamel.substring(1);
    }
    
    
    private String constantToUCamelCase(String name) {
        boolean upNext=true;
        StringBuilder sb = new StringBuilder();
        for (int i = 0; i < name.length(); i++) {
            char c = name.charAt(i);
            if( Character.isJavaIdentifierPart(c) && Character.isLetterOrDigit(c)) {
                if( upNext ) {
                    c = Character.toUpperCase(c);
                    upNext=false;
                } else {
                    c = Character.toLowerCase(c);
                }
                sb.append(c);
            } else {
                upNext=true;
            }
        }
        return sb.toString();
    }


    private String constantCase(String name) {
        StringBuilder sb = new StringBuilder();
        for (int i = 0; i < name.length(); i++) {
            char c = name.charAt(i);
            if( i!=0 && Character.isUpperCase(c) ) {
                sb.append("_");
            }
            sb.append(Character.toUpperCase(c));
        }
        return sb.toString();
    }

    public File getOut() {
        return out;
    }

    public void setOut(File outputDirectory) {
        this.out = outputDirectory;
    }

    public File[] getPath() {
        return path;
    }

    public void setPath(File[] path) {
        this.path = path;
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activemq-protobuf/src/main/java/org/apache/activemq/protobuf/compiler/JavaGenerator.java [1577:1713]:
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    private boolean equals(String o1, String o2) {
        if( o1==o2 )
            return true;
        if( o1==null || o2==null )
            return false;
        return o1.equals(o2);
    }

    private String javaClassName(ProtoDescriptor proto) {
        return getOption(proto.getOptions(), "java_outer_classname", uCamel(removeFileExtension(proto.getName())));
    }
    
    private boolean isMultipleFilesEnabled(ProtoDescriptor proto) {
        return "true".equals(getOption(proto.getOptions(), "java_multiple_files", "false"));
    }


    private String javaPackage(ProtoDescriptor proto) {
        String name = proto.getPackageName();
        if( name!=null ) {
            name = name.replace('-', '.');
            name = name.replace('/', '.');
        }
        return getOption(proto.getOptions(), "java_package", name);
    }


    // ----------------------------------------------------------------
    // Internal Helper methods
    // ----------------------------------------------------------------

    private void indent() {
        indent++;
    }

    private void unindent() {
        indent--;
    }

    private void p(String line) {
        // Indent...
        for (int i = 0; i < indent; i++) {
            w.print("   ");
        }
        // Then print.
        w.println(line);
    }

    private void p() {
        w.println();
    }

    private String getOption(Map<String, OptionDescriptor> options, String optionName, String defaultValue) {
        OptionDescriptor optionDescriptor = options.get(optionName);
        if (optionDescriptor == null) {
            return defaultValue;
        }
        return optionDescriptor.getValue();
    }
        
    static private String removeFileExtension(String name) {
        return name.replaceAll("\\..*", "");
    }

    static private String uCamel(String name) {
        boolean upNext=true;
        StringBuilder sb = new StringBuilder();
        for (int i = 0; i < name.length(); i++) {
            char c = name.charAt(i);
            if( Character.isJavaIdentifierPart(c) && Character.isLetterOrDigit(c)) {
                if( upNext ) {
                    c = Character.toUpperCase(c);
                    upNext=false;
                }
                sb.append(c);
            } else {
                upNext=true;
            }
        }
        return sb.toString();
    }

    static private String lCamel(String name) {
        if( name == null || name.length()<1 )
            return name;
        String uCamel = uCamel(name);
        return uCamel.substring(0,1).toLowerCase()+uCamel.substring(1);
    }
    
    
    private String constantToUCamelCase(String name) {
        boolean upNext=true;
        StringBuilder sb = new StringBuilder();
        for (int i = 0; i < name.length(); i++) {
            char c = name.charAt(i);
            if( Character.isJavaIdentifierPart(c) && Character.isLetterOrDigit(c)) {
                if( upNext ) {
                    c = Character.toUpperCase(c);
                    upNext=false;
                } else {
                    c = Character.toLowerCase(c);
                }
                sb.append(c);
            } else {
                upNext=true;
            }
        }
        return sb.toString();
    }


    private String constantCase(String name) {
        StringBuilder sb = new StringBuilder();
        for (int i = 0; i < name.length(); i++) {
            char c = name.charAt(i);
            if( i!=0 && Character.isUpperCase(c) ) {
                sb.append("_");
            }
            sb.append(Character.toUpperCase(c));
        }
        return sb.toString();
    }

    public File getOut() {
        return out;
    }

    public void setOut(File outputDirectory) {
        this.out = outputDirectory;
    }

    public File[] getPath() {
        return path;
    }

    public void setPath(File[] path) {
        this.path = path;
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