duke@1: /*
ohair@798:  * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
duke@1:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@1:  *
duke@1:  * This code is free software; you can redistribute it and/or modify it
duke@1:  * under the terms of the GNU General Public License version 2 only, as
ohair@554:  * published by the Free Software Foundation.  Oracle designates this
duke@1:  * particular file as subject to the "Classpath" exception as provided
ohair@554:  * by Oracle in the LICENSE file that accompanied this code.
duke@1:  *
duke@1:  * This code is distributed in the hope that it will be useful, but WITHOUT
duke@1:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@1:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
duke@1:  * version 2 for more details (a copy is included in the LICENSE file that
duke@1:  * accompanied this code).
duke@1:  *
duke@1:  * You should have received a copy of the GNU General Public License version
duke@1:  * 2 along with this work; if not, write to the Free Software Foundation,
duke@1:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@1:  *
ohair@554:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
ohair@554:  * or visit www.oracle.com if you need additional information or have any
ohair@554:  * questions.
duke@1:  */
duke@1: 
duke@1: package com.sun.tools.doclets.formats.html;
duke@1: 
duke@1: import com.sun.javadoc.*;
bpatel@766: import com.sun.tools.doclets.formats.html.markup.*;
bpatel@766: import com.sun.tools.doclets.internal.toolkit.*;
bpatel@766: import com.sun.tools.doclets.internal.toolkit.util.*;
duke@1: 
duke@1: /**
duke@1:  * Print method and constructor info.
duke@1:  *
duke@1:  * @author Robert Field
duke@1:  * @author Atul M Dambalkar
bpatel@766:  * @author Bhavesh Patel (Modified)
duke@1:  */
duke@1: public abstract class AbstractExecutableMemberWriter extends AbstractMemberWriter {
duke@1: 
duke@1:     public AbstractExecutableMemberWriter(SubWriterHolderWriter writer,
duke@1:                                      ClassDoc classdoc) {
duke@1:         super(writer, classdoc);
duke@1:     }
duke@1: 
duke@1:     public AbstractExecutableMemberWriter(SubWriterHolderWriter writer) {
duke@1:         super(writer);
duke@1:     }
duke@1: 
duke@1:     /**
bpatel@766:      * Add the type parameters for the executable member.
duke@1:      *
duke@1:      * @param member the member to write type parameters for.
bpatel@766:      * @param htmltree the content tree to which the parameters will be added.
duke@1:      * @return the display length required to write this information.
duke@1:      */
bpatel@766:     protected int addTypeParameters(ExecutableMemberDoc member, Content htmltree) {
duke@1:         LinkInfoImpl linkInfo = new LinkInfoImpl(
duke@1:             LinkInfoImpl.CONTEXT_MEMBER_TYPE_PARAMS, member, false);
duke@1:         String typeParameters = writer.getTypeParameterLinks(linkInfo);
duke@1:         if (linkInfo.displayLength > 0) {
bpatel@766:             Content linkContent = new RawHtml(typeParameters);
bpatel@766:             htmltree.addContent(linkContent);
bpatel@766:             htmltree.addContent(writer.getSpace());
duke@1:             writer.displayLength += linkInfo.displayLength + 1;
duke@1:         }
duke@1:         return linkInfo.displayLength;
duke@1:     }
duke@1: 
bpatel@766:     /**
bpatel@766:      * {@inheritDoc}
bpatel@766:      */
bpatel@766:     protected Content getDeprecatedLink(ProgramElementDoc member) {
bpatel@766:         ExecutableMemberDoc emd = (ExecutableMemberDoc)member;
bpatel@766:         return writer.getDocLink(LinkInfoImpl.CONTEXT_MEMBER, (MemberDoc) emd,
bpatel@766:                 emd.qualifiedName() + emd.flatSignature());
duke@1:     }
duke@1: 
bpatel@766:     /**
bpatel@766:      * Add the summary link for the member.
bpatel@766:      *
bpatel@766:      * @param context the id of the context where the link will be printed
bpatel@766:      * @param classDoc the classDoc that we should link to
bpatel@766:      * @param member the member being linked to
bpatel@766:      * @param tdSummary the content tree to which the link will be added
bpatel@766:      */
bpatel@766:     protected void addSummaryLink(int context, ClassDoc cd, ProgramElementDoc member,
bpatel@766:             Content tdSummary) {
duke@1:         ExecutableMemberDoc emd = (ExecutableMemberDoc)member;
bpatel@766:         String name = emd.name();
bpatel@766:         Content strong = HtmlTree.STRONG(new RawHtml(
bpatel@766:                 writer.getDocLink(context, cd, (MemberDoc) emd,
bpatel@766:                 name, false)));
bpatel@766:         Content code = HtmlTree.CODE(strong);
bpatel@766:         writer.displayLength = name.length();
bpatel@766:         addParameters(emd, false, code);
bpatel@766:         tdSummary.addContent(code);
duke@1:     }
duke@1: 
bpatel@766:     /**
bpatel@766:      * Add the inherited summary link for the member.
bpatel@766:      *
bpatel@766:      * @param classDoc the classDoc that we should link to
bpatel@766:      * @param member the member being linked to
bpatel@766:      * @param linksTree the content tree to which the link will be added
bpatel@766:      */
bpatel@766:     protected void addInheritedSummaryLink(ClassDoc cd,
bpatel@766:             ProgramElementDoc member, Content linksTree) {
bpatel@766:         linksTree.addContent(new RawHtml(
bpatel@766:                 writer.getDocLink(LinkInfoImpl.CONTEXT_MEMBER, cd, (MemberDoc) member,
bpatel@766:                 member.name(), false)));
duke@1:     }
duke@1: 
bpatel@766:     /**
bpatel@766:      * Add the parameter for the executable member.
bpatel@766:      *
bpatel@766:      * @param member the member to write parameter for.
bpatel@766:      * @param param the parameter that needs to be written.
bpatel@766:      * @param isVarArg true if this is a link to var arg.
bpatel@766:      * @param tree the content tree to which the parameter information will be added.
bpatel@766:      */
bpatel@766:     protected void addParam(ExecutableMemberDoc member, Parameter param,
bpatel@766:         boolean isVarArg, Content tree) {
duke@1:         if (param.type() != null) {
bpatel@766:             Content link = new RawHtml(writer.getLink(new LinkInfoImpl(
bpatel@766:                     LinkInfoImpl.CONTEXT_EXECUTABLE_MEMBER_PARAM, param.type(),
bpatel@766:                     isVarArg)));
bpatel@766:             tree.addContent(link);
duke@1:         }
duke@1:         if(param.name().length() > 0) {
bpatel@766:             tree.addContent(writer.getSpace());
bpatel@766:             tree.addContent(param.name());
duke@1:         }
duke@1:     }
duke@1: 
bpatel@766:     /**
bpatel@766:      * Add all the parameters for the executable member.
bpatel@766:      *
bpatel@766:      * @param member the member to write parameters for.
bpatel@766:      * @param tree the content tree to which the parameters information will be added.
bpatel@766:      */
bpatel@766:     protected void addParameters(ExecutableMemberDoc member, Content htmltree) {
bpatel@766:         addParameters(member, true, htmltree);
duke@1:     }
duke@1: 
bpatel@766:     /**
bpatel@766:      * Add all the parameters for the executable member.
bpatel@766:      *
bpatel@766:      * @param member the member to write parameters for.
bpatel@766:      * @param includeAnnotations true if annotation information needs to be added.
bpatel@766:      * @param tree the content tree to which the parameters information will be added.
bpatel@766:      */
bpatel@766:     protected void addParameters(ExecutableMemberDoc member,
bpatel@766:             boolean includeAnnotations, Content htmltree) {
bpatel@766:         htmltree.addContent("(");
duke@1:         Parameter[] params = member.parameters();
duke@1:         String indent = makeSpace(writer.displayLength);
duke@1:         if (configuration().linksource) {
duke@1:             //add spaces to offset indentation changes caused by link.
duke@1:             indent+= makeSpace(member.name().length());
duke@1:         }
duke@1:         int paramstart;
duke@1:         for (paramstart = 0; paramstart < params.length; paramstart++) {
duke@1:             Parameter param = params[paramstart];
duke@1:             if (!param.name().startsWith("this$")) {
duke@1:                 if (includeAnnotations) {
bpatel@766:                     boolean foundAnnotations =
bpatel@766:                             writer.addAnnotationInfo(indent.length(),
bpatel@766:                             member, param, htmltree);
bpatel@766:                     if (foundAnnotations) {
bpatel@766:                         htmltree.addContent(DocletConstants.NL);
bpatel@766:                         htmltree.addContent(indent);
duke@1:                     }
duke@1:                 }
bpatel@766:                 addParam(member, param,
bpatel@766:                     (paramstart == params.length - 1) && member.isVarArgs(), htmltree);
duke@1:                 break;
duke@1:             }
duke@1:         }
duke@1: 
duke@1:         for (int i = paramstart + 1; i < params.length; i++) {
bpatel@766:             htmltree.addContent(",");
bpatel@766:             htmltree.addContent(DocletConstants.NL);
bpatel@766:             htmltree.addContent(indent);
duke@1:             if (includeAnnotations) {
duke@1:                 boolean foundAnnotations =
bpatel@766:                         writer.addAnnotationInfo(indent.length(), member, params[i],
bpatel@766:                         htmltree);
duke@1:                 if (foundAnnotations) {
bpatel@766:                     htmltree.addContent(DocletConstants.NL);
bpatel@766:                     htmltree.addContent(indent);
duke@1:                 }
duke@1:             }
bpatel@766:             addParam(member, params[i], (i == params.length - 1) && member.isVarArgs(),
bpatel@766:                     htmltree);
duke@1:         }
bpatel@766:         htmltree.addContent(")");
duke@1:     }
duke@1: 
bpatel@766:     /**
bpatel@766:      * Add exceptions for the executable member.
bpatel@766:      *
bpatel@766:      * @param member the member to write exceptions for.
bpatel@766:      * @param htmltree the content tree to which the exceptions information will be added.
bpatel@766:      */
bpatel@766:     protected void addExceptions(ExecutableMemberDoc member, Content htmltree) {
duke@1:         Type[] exceptions = member.thrownExceptionTypes();
duke@1:         if(exceptions.length > 0) {
duke@1:             LinkInfoImpl memberTypeParam = new LinkInfoImpl(
bpatel@766:                     LinkInfoImpl.CONTEXT_MEMBER, member, false);
duke@1:             int retlen = getReturnTypeLength(member);
duke@1:             writer.getTypeParameterLinks(memberTypeParam);
duke@1:             retlen += memberTypeParam.displayLength == 0 ?
duke@1:                 0 : memberTypeParam.displayLength + 1;
duke@1:             String indent = makeSpace(modifierString(member).length() +
bpatel@766:                     member.name().length() + retlen - 4);
bpatel@766:             htmltree.addContent(DocletConstants.NL);
bpatel@766:             htmltree.addContent(indent);
bpatel@766:             htmltree.addContent("throws ");
duke@1:             indent += "       ";
bpatel@766:             Content link = new RawHtml(writer.getLink(new LinkInfoImpl(
bpatel@766:                     LinkInfoImpl.CONTEXT_MEMBER, exceptions[0])));
bpatel@766:             htmltree.addContent(link);
duke@1:             for(int i = 1; i < exceptions.length; i++) {
bpatel@766:                 htmltree.addContent(",");
bpatel@766:                 htmltree.addContent(DocletConstants.NL);
bpatel@766:                 htmltree.addContent(indent);
bpatel@766:                 Content exceptionLink = new RawHtml(writer.getLink(new LinkInfoImpl(
bpatel@766:                         LinkInfoImpl.CONTEXT_MEMBER, exceptions[i])));
bpatel@766:                 htmltree.addContent(exceptionLink);
duke@1:             }
duke@1:         }
duke@1:     }
duke@1: 
duke@1:     protected int getReturnTypeLength(ExecutableMemberDoc member) {
duke@1:         if (member instanceof MethodDoc) {
duke@1:             MethodDoc method = (MethodDoc)member;
duke@1:             Type rettype = method.returnType();
duke@1:             if (rettype.isPrimitive()) {
duke@1:                 return rettype.typeName().length() +
duke@1:                        rettype.dimension().length();
duke@1:             } else {
duke@1:                 LinkInfoImpl linkInfo = new LinkInfoImpl(
duke@1:                     LinkInfoImpl.CONTEXT_MEMBER, rettype);
duke@1:                 writer.getLink(linkInfo);
duke@1:                 return linkInfo.displayLength;
duke@1:             }
duke@1:         } else {   // it's a constructordoc
duke@1:             return -1;
duke@1:         }
duke@1:     }
duke@1: 
duke@1:     protected ClassDoc implementsMethodInIntfac(MethodDoc method,
duke@1:                                                 ClassDoc[] intfacs) {
duke@1:         for (int i = 0; i < intfacs.length; i++) {
duke@1:             MethodDoc[] methods = intfacs[i].methods();
duke@1:             if (methods.length > 0) {
duke@1:                 for (int j = 0; j < methods.length; j++) {
duke@1:                     if (methods[j].name().equals(method.name()) &&
duke@1:                           methods[j].signature().equals(method.signature())) {
duke@1:                         return intfacs[i];
duke@1:                     }
duke@1:                 }
duke@1:             }
duke@1:         }
duke@1:         return null;
duke@1:     }
duke@1: 
duke@1:     /**
duke@1:      * For backward compatibility, include an anchor using the erasures of the
duke@1:      * parameters.  NOTE:  We won't need this method anymore after we fix
duke@1:      * see tags so that they use the type instead of the erasure.
duke@1:      *
duke@1:      * @param emd the ExecutableMemberDoc to anchor to.
duke@1:      * @return the 1.4.x style anchor for the ExecutableMemberDoc.
duke@1:      */
duke@1:     protected String getErasureAnchor(ExecutableMemberDoc emd) {
duke@1:         StringBuffer buf = new StringBuffer(emd.name() + "(");
duke@1:         Parameter[] params = emd.parameters();
duke@1:         boolean foundTypeVariable = false;
duke@1:         for (int i = 0; i < params.length; i++) {
duke@1:             if (i > 0) {
duke@1:                 buf.append(",");
duke@1:             }
duke@1:             Type t = params[i].type();
duke@1:             foundTypeVariable = foundTypeVariable || t.asTypeVariable() != null;
duke@1:             buf.append(t.isPrimitive() ?
duke@1:                 t.typeName() : t.asClassDoc().qualifiedName());
duke@1:             buf.append(t.dimension());
duke@1:         }
duke@1:         buf.append(")");
duke@1:         return foundTypeVariable ? buf.toString() : null;
duke@1:     }
duke@1: }