Mercurial > jdk8-mips64-public > langtools / file revision

 /*

  * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.

  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

  *

  * This code is free software; you can redistribute it and/or modify it

  * under the terms of the GNU General Public License version 2 only, as

  * published by the Free Software Foundation.  Oracle designates this

  * particular file as subject to the "Classpath" exception as provided

  * by Oracle in the LICENSE file that accompanied this code.

  *

  * This code is distributed in the hope that it will be useful, but WITHOUT

  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

  * version 2 for more details (a copy is included in the LICENSE file that

  * accompanied this code).

  *

  * You should have received a copy of the GNU General Public License version

  * 2 along with this work; if not, write to the Free Software Foundation,

  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

  *

  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

  * or visit www.oracle.com if you need additional information or have any

  * questions.

  */

 package com.sun.tools.doclets.formats.html;

 import com.sun.javadoc.*;

 import com.sun.tools.doclets.formats.html.markup.*;

 import com.sun.tools.doclets.internal.toolkit.*;

 import com.sun.tools.doclets.internal.toolkit.util.*;

 /**

  * Print method and constructor info.

  *

  *  <p><b>This is NOT part of any supported API.

  *  If you write code that depends on this, you do so at your own risk.

  *  This code and its internal interfaces are subject to change or

  *  deletion without notice.</b>

  *

  * @author Robert Field

  * @author Atul M Dambalkar

  * @author Bhavesh Patel (Modified)

  */

 public abstract class AbstractExecutableMemberWriter extends AbstractMemberWriter {

     public AbstractExecutableMemberWriter(SubWriterHolderWriter writer,

             ClassDoc classdoc) {

         super(writer, classdoc);

     }

     public AbstractExecutableMemberWriter(SubWriterHolderWriter writer) {

         super(writer);

     }

     /**

      * Add the type parameters for the executable member.

      *

      * @param member the member to write type parameters for.

      * @param htmltree the content tree to which the parameters will be added.

      * @return the display length required to write this information.

      */

     protected int addTypeParameters(ExecutableMemberDoc member, Content htmltree) {

         LinkInfoImpl linkInfo = new LinkInfoImpl(configuration,

             LinkInfoImpl.CONTEXT_MEMBER_TYPE_PARAMS, member, false);

         String typeParameters = writer.getTypeParameterLinks(linkInfo);

         if (linkInfo.displayLength > 0) {

             Content linkContent = new RawHtml(typeParameters);

             htmltree.addContent(linkContent);

             htmltree.addContent(writer.getSpace());

             writer.displayLength += linkInfo.displayLength + 1;

         }

         return linkInfo.displayLength;

     }

     /**

      * {@inheritDoc}

      */

     protected Content getDeprecatedLink(ProgramElementDoc member) {

         ExecutableMemberDoc emd = (ExecutableMemberDoc)member;

         return writer.getDocLink(LinkInfoImpl.CONTEXT_MEMBER, (MemberDoc) emd,

                 emd.qualifiedName() + emd.flatSignature());

     }

     /**

      * Add the summary link for the member.

      *

      * @param context the id of the context where the link will be printed

      * @param cd the classDoc that we should link to

      * @param member the member being linked to

      * @param tdSummary the content tree to which the link will be added

      */

     protected void addSummaryLink(int context, ClassDoc cd, ProgramElementDoc member,

             Content tdSummary) {

         ExecutableMemberDoc emd = (ExecutableMemberDoc)member;

         String name = emd.name();

         Content strong = HtmlTree.STRONG(new RawHtml(

                 writer.getDocLink(context, cd, (MemberDoc) emd,

                 name, false)));

         Content code = HtmlTree.CODE(strong);

         writer.displayLength = name.length();

         addParameters(emd, false, code);

         tdSummary.addContent(code);

     }

     /**

      * Add the inherited summary link for the member.

      *

      * @param cd the classDoc that we should link to

      * @param member the member being linked to

      * @param linksTree the content tree to which the link will be added

      */

     protected void addInheritedSummaryLink(ClassDoc cd,

             ProgramElementDoc member, Content linksTree) {

         linksTree.addContent(new RawHtml(

                 writer.getDocLink(LinkInfoImpl.CONTEXT_MEMBER, cd, (MemberDoc) member,

                 member.name(), false)));

     }

     /**

      * Add the parameter for the executable member.

      *

      * @param member the member to write parameter for.

      * @param param the parameter that needs to be written.

      * @param isVarArg true if this is a link to var arg.

      * @param tree the content tree to which the parameter information will be added.

      */

     protected void addParam(ExecutableMemberDoc member, Parameter param,

         boolean isVarArg, Content tree) {

         if (param.type() != null) {

             Content link = new RawHtml(writer.getLink(new LinkInfoImpl(

                     configuration, LinkInfoImpl.CONTEXT_EXECUTABLE_MEMBER_PARAM,

                     param.type(), isVarArg)));

             tree.addContent(link);

         }

         if(param.name().length() > 0) {

             tree.addContent(writer.getSpace());

             tree.addContent(param.name());

         }

     }

     /**

      * Add all the parameters for the executable member.

      *

      * @param member the member to write parameters for.

      * @param htmltree the content tree to which the parameters information will be added.

      */

     protected void addParameters(ExecutableMemberDoc member, Content htmltree) {

         addParameters(member, true, htmltree);

     }

     /**

      * Add all the parameters for the executable member.

      *

      * @param member the member to write parameters for.

      * @param includeAnnotations true if annotation information needs to be added.

      * @param htmltree the content tree to which the parameters information will be added.

      */

     protected void addParameters(ExecutableMemberDoc member,

             boolean includeAnnotations, Content htmltree) {

         htmltree.addContent("(");

         Parameter[] params = member.parameters();

         String indent = makeSpace(writer.displayLength);

         if (configuration.linksource) {

             //add spaces to offset indentation changes caused by link.

             indent+= makeSpace(member.name().length());

         }

         int paramstart;

         for (paramstart = 0; paramstart < params.length; paramstart++) {

             Parameter param = params[paramstart];

             if (!param.name().startsWith("this$")) {

                 if (includeAnnotations) {

                     boolean foundAnnotations =

                             writer.addAnnotationInfo(indent.length(),

                             member, param, htmltree);

                     if (foundAnnotations) {

                         htmltree.addContent(DocletConstants.NL);

                         htmltree.addContent(indent);

                     }

                 }

                 addParam(member, param,

                     (paramstart == params.length - 1) && member.isVarArgs(), htmltree);

                 break;

             }

         }

         for (int i = paramstart + 1; i < params.length; i++) {

             htmltree.addContent(",");

             htmltree.addContent(DocletConstants.NL);

             htmltree.addContent(indent);

             if (includeAnnotations) {

                 boolean foundAnnotations =

                         writer.addAnnotationInfo(indent.length(), member, params[i],

                         htmltree);

                 if (foundAnnotations) {

                     htmltree.addContent(DocletConstants.NL);

                     htmltree.addContent(indent);

                 }

             }

             addParam(member, params[i], (i == params.length - 1) && member.isVarArgs(),

                     htmltree);

         }

         htmltree.addContent(")");

     }

     /**

      * Add exceptions for the executable member.

      *

      * @param member the member to write exceptions for.

      * @param htmltree the content tree to which the exceptions information will be added.

      */

     protected void addExceptions(ExecutableMemberDoc member, Content htmltree) {

         Type[] exceptions = member.thrownExceptionTypes();

         if(exceptions.length > 0) {

             LinkInfoImpl memberTypeParam = new LinkInfoImpl(configuration,

                     LinkInfoImpl.CONTEXT_MEMBER, member, false);

             int retlen = getReturnTypeLength(member);

             writer.getTypeParameterLinks(memberTypeParam);

             retlen += memberTypeParam.displayLength == 0 ?

                 0 : memberTypeParam.displayLength + 1;

             String indent = makeSpace(modifierString(member).length() +

                     member.name().length() + retlen - 4);

             htmltree.addContent(DocletConstants.NL);

             htmltree.addContent(indent);

             htmltree.addContent("throws ");

             indent += "       ";

             Content link = new RawHtml(writer.getLink(new LinkInfoImpl(configuration,

                     LinkInfoImpl.CONTEXT_MEMBER, exceptions[0])));

             htmltree.addContent(link);

             for(int i = 1; i < exceptions.length; i++) {

                 htmltree.addContent(",");

                 htmltree.addContent(DocletConstants.NL);

                 htmltree.addContent(indent);

                 Content exceptionLink = new RawHtml(writer.getLink(new LinkInfoImpl(

                         configuration, LinkInfoImpl.CONTEXT_MEMBER, exceptions[i])));

                 htmltree.addContent(exceptionLink);

             }

         }

     }

     protected int getReturnTypeLength(ExecutableMemberDoc member) {

         if (member instanceof MethodDoc) {

             MethodDoc method = (MethodDoc)member;

             Type rettype = method.returnType();

             if (rettype.isPrimitive()) {

                 return rettype.typeName().length() +

                        rettype.dimension().length();

             } else {

                 LinkInfoImpl linkInfo = new LinkInfoImpl(configuration,

                     LinkInfoImpl.CONTEXT_MEMBER, rettype);

                 writer.getLink(linkInfo);

                 return linkInfo.displayLength;

             }

         } else {   // it's a constructordoc

             return -1;

         }

     }

     protected ClassDoc implementsMethodInIntfac(MethodDoc method,

                                                 ClassDoc[] intfacs) {

         for (int i = 0; i < intfacs.length; i++) {

             MethodDoc[] methods = intfacs[i].methods();

             if (methods.length > 0) {

                 for (int j = 0; j < methods.length; j++) {

                     if (methods[j].name().equals(method.name()) &&

                           methods[j].signature().equals(method.signature())) {

                         return intfacs[i];

                     }

                 }

             }

         }

         return null;

     }

     /**

      * For backward compatibility, include an anchor using the erasures of the

      * parameters.  NOTE:  We won't need this method anymore after we fix

      * see tags so that they use the type instead of the erasure.

      *

      * @param emd the ExecutableMemberDoc to anchor to.

      * @return the 1.4.x style anchor for the ExecutableMemberDoc.

      */

     protected String getErasureAnchor(ExecutableMemberDoc emd) {

         StringBuilder buf = new StringBuilder(emd.name() + "(");

         Parameter[] params = emd.parameters();

         boolean foundTypeVariable = false;

         for (int i = 0; i < params.length; i++) {

             if (i > 0) {

                 buf.append(",");

             }

             Type t = params[i].type();

             foundTypeVariable = foundTypeVariable || t.asTypeVariable() != null;

             buf.append(t.isPrimitive() ?

                 t.typeName() : t.asClassDoc().qualifiedName());

             buf.append(t.dimension());

         }

         buf.append(")");

         return foundTypeVariable ? buf.toString() : null;

     }

 }